@book{E01,
	Author = {Herbert Edelsbrunner}, 
	Title = {Geometry and Topology for Mesh Generation}, 
	Publisher = {Cambridge University Press}, 
	Pages = {162},
	ISBN = {0-521-79309-2},
	Year = {2001}
}
@book{R95,
	Author = {Paulo Ribenboim}, 
	Title = {The New Book of Prime Number Records, 3rd edition}, 
	Publisher = {Springer-Verlag, New York, NY}, 
	Pages = {xxiv+541},
	ISBN = {0-387-94457-5},
	Year = {1995}
}
@book{S98,
	author = {David Singer},
	title = {Geometry: Plane and Fancy},
	year  = {1998},
	isbn = {0387983066},
	publisher = {Springer}
}
@article{B82,
 author = {James F. Blinn},
 title = {A Generalization of Algebraic Surface Drawing},
 journal = {ACM Trans. Graph.},
 volume = {1},
 number = {3},
 year = {1982},
 issn = {0730-0301},
 pages = {235--256},
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 publisher = {ACM},
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}
@article{CLLPRW99,
	author = "H.Y. Chen and I.K. Lee and S. Leopoldseder and H. Pottmann and T. Randrup and J. Wallner",
	title = "On Surface Approximation Using Developable Surfaces",
	journal = "Graphical models and image processing: GMIP",
	volume = "61",
	number = "2",
	pages = "110--124",
	year = "1999",
	url = "citeseer.ist.psu.edu/article/chen99surface.html" 
}
@book{N71,
	author = {Nils Nilsson},
	title = {Problem-Solving Methods in Artificial Intelligence},
	year  = {1971},
	isbn = {07-046573-8},
	publisher = {McGraw-Hill, Inc}
}
@article{RT75,
	author = {Robert Read and Robert Tarjan},
	title = {Bounds on Backtrack Algorithms for Listing Cycles, Paths and Spanning Trees},
	year  = {1975},
	journal = {Networks},
	volume = {5},
	pages = {237--252}
}
@Article{D59,
	author = {E. W. Dijkstra},
	title = {A note on two problems in connexion with graphs},
	year  ={1959},
	journal = {Numerische Mathematik},
	volume={1},
	pages={269–-271}
}
@Mastersthesis{S97b,
	author = {Malcolm Smith},
	title  ={Generating Spanning Trees},
	year = {1997},
	school = {University of Victoria}
}
@Mastersthesis{L06,
	author = {Brendan Lucier},
	title  ={Unfolding and Reconstructing Polyhedra},
	chapter = {4},
	year = {2006},
	school = {University of Waterloo}
}
@article{B58,
	author = {J. Bertrand}, 
	title = {Note sur la th\'{e}orie des poly\`{e}dres r\'{e}guliers}, 
	journal = {Comptes rendus des s\'{e}ances de l'Acad\'{e}mie des Sciences},
	volume= {46},
	year={1858},
	pages={79--82}
}
@inproceedings{L06a
, title =       "Local Overlaps In Special Unfoldings Of Convex Polyhedra"
, author =      "Brendan Lucier"
, booktitle =   "Proceedings of the 18th Canadian Conference on Computational Geometry (CCCG 2006)"
, site =        "Kingston"
, year =        "2006"
, pages =       "97--100"
}
@article{L67,
	author={Joshua Lederberg},
	title={Hamilton Circuits of Convex Trivalent Polyhedra (Up to 18 Vertices)},
	journal={The American Mathematical Monthly},
	volume={74},
	number={5},
	month={May},
	year={1967},
	pages={522--527},
	url={http://links.jstor.org/sici?sici=0002-9890\%28196705\%2974\%3A5\%3C522\%3AHCOCTP\%3E2.0.CO\%3B2-1}
}
@InProceedings{AER05,
  author = { Lyuba Alboul and Gilberto Echeverria and Marcos Rodrigues },
  title = { Discrete Curvatures and Gauss Maps for Polyhedral Surfaces },
  booktitle = { Proceedings of the 21st European Workshop on Computational Geometry (EWCG), Eindhoven, Netherlands },
  year = { 2005 },
  pages = {69--72}
}
% Commented out
Unpublished{PR98,
  author = "T. Pisanski and M. Randi\'{c}",
  title = "Bridges between geometry and graph theory",
  year = "1998",
  url = "http://citeseer.ist.psu.edu/441832.html",
  note = "T. Pisanski, M. Randi\'{c}, Bridges between geometry and graph theory, to appear"
}
@techreport{BO08
, author =      "Alex Benton and Joseph O'Rourke"
, title =       "A Class of Convex Polyhedra with Few Edge Unfoldings"
, note =        "http://arxiv.org/abs/0801.4019"
, number =      "089"
, institution = "Smith College"
, year =        "2008"
, month =       "Jan"
}
@techreport{O07
, author =      "Joseph O'Rourke"
, title =       "Band Unfoldings and Prismatoids: A Counterexample"
, note =        "arXiv:0710.0811v2 [cs.CG]"
, number =      "087"
, institution = "Smith College"
, year =        "2007"
, month =       "Oct"
}
@article{S75,
	author={G.C. Shephard},
	title={Convex polytopes with convex nets},
	year={1975},
	journal={Math. Proc. Camb. Phil. Soc},
	pages={389--403}
}
@article{OS89
, author =      "Joseph O'Rourke and Catherine Schevon"
, title =       "On the development of closed convex curves on 3-polytopes"
, journal =     "J. Geom."
, volume =      13
, year =        1989
, pages =       "152--157"
}
@inproceedings{OS89b,
 author = {Joseph O'Rourke and Catherine Schevon},
 title = {Computing the geodesic diameter of a 3-polytope},
 booktitle = {SCG '89: Proceedings of the fifth annual symposium on Computational geometry},
 year = {1989},
 isbn = {0-89791-318-3},
 pages = {370--379},
 location = {Saarbruchen, West Germany},
 doi = {http://doi.acm.org/10.1145/73833.73874},
 publisher = {ACM},
 address = {New York, NY, USA},
}
@inproceedings{B06,
	author={Alex Benton},
	title={Angular Criteria for Unfoldable Convex Polyhedra},
	booktitle={Curve and Surface Design: Avignon 2006},
	editor={Patrick Chenin and Tom Lyche and Larry L. Schumaker},
	pages={41--47},
	year={2006},
}
@inproceedings{B07,
	title = {A Developable Surface of Uniformly Negative Internal Angle Deficit},
	author = {Alex Benton},
	booktitle = {IMA Conference on the Mathematics of Surfaces},
	editor = {Ralph R. Martin and Malcolm A. Sabin and Joab R. Winkler},
	pages = {64-77},
	publisher = {Springer},
	series = {Lecture Notes in Computer Science},
	url = {http://dblp.uni-trier.de/db/conf/ima-ms/ima-ms2007.html#Benton07},
	volume = {4647},
	year = {2007},
	description = {dblp},
	ee = {http://dx.doi.org/10.1007/978-3-540-73843-5_4}, 
	isbn = {978-3-540-73842-8}, 
	date = {2007-08-30},
	keywords = {dblp}
} 
@inproceedings{BO07,
  author    = {Alex Benton and Joseph O'Rourke},
  title     = {Unfolding Polyhedra via Cut-Tree Truncation},
  booktitle = {Proceedings of the 19th Annual Canadian Conference on Computational Geometry ({CCCG} 2007)},
  year      = {2007},
  publisher = {Carleton University, Ottawa, Canada},
  month			= {August},
  pages     = {77--80},
}
@inproceedings{P07,
  author    = {Val Pinciu},
  title     = {On the Fewest Nets Problem for Convex Polyhedra},
  booktitle = {Proceedings of the 19th Annual Canadian Conference on Computational Geometry ({CCCG} 2007)},
  year      = {2007},
  publisher = {Carleton University, Ottawa, Canada},
  month			= {August},
  pages     = {21--24},
}
@book{DO07,
 author = {Erik D. Demaine and Joseph O'Rourke},
 title = {Geometric Folding Algorithms: Linkages, Origami, Polyhedra},
 year = {2007},
 isbn = {0521857570},
 publisher = {Cambridge University Press},
 address = {New York, NY, USA},
 }
@book{A61,
	author={Paul Alexandroff},
	title={Elementary Concepts of Topology},
	year={1961},
	publisher={Dover Publications Inc, New York},
	isbn={0-486-60747-X}
}
@book{L76,
	author={Imre Lakatos},
	title={Proofs and Refutations},
	year={1976},
	publisher={Cambridge University Press},
	isbn={0-521-29038-4}
}
@inproceedings{NGH04,
	author = {Xinlai Ni and Michael Garland and John C. Hart},
	title = {Fair morse functions for extracting the topological structure of a surface mesh},
	booktitle = {SIGGRAPH '04: ACM SIGGRAPH 2004 Papers},
	year = {2004},
	pages = {613--622},
	location = {Los Angeles, California},
	doi = {http://doi.acm.org/10.1145/1186562.1015769},
	publisher = {ACM},
	address = {New York, NY, USA}
}
@inproceedings{MMSB99,
	author = {Mathieu Desbrun and Mark Meyer and Peter Schr\"{o}der and Alan H. Barr},
	title = {Implicit fairing of irregular meshes using diffusion and curvature flow},
	booktitle = {SIGGRAPH '99: Proceedings of the 26th annual conference on Computer graphics and interactive techniques},
	year = {1999},
	isbn = {0-201-48560-5},
	pages = {317--324},
	doi = {http://doi.acm.org/10.1145/311535.311576},
	publisher = {ACM Press/Addison-Wesley Publishing Co.},
	address = {New York, NY, USA},
}
@article{BCM03,
	author = {V. Borrelli and F. Cazals and J.M. Morvan},
	title = {On the angular defect of triangulations and the pointwise approximation of curvatures},
	journal = {Comput. Aided Geom. Des.},
	volume = {20},
	number = {6},
	year = {2003},
	issn = {0167-8396},
	pages = {319--341},
	doi = {http://dx.doi.org/10.1016/S0167-8396(03)00077-3},
	publisher = {Elsevier Science Publishers B. V.},
	address = {Amsterdam, The Netherlands, The Netherlands},
}
@inproceedings{T95,
	author = {G. Taubin},
	title = {Estimating the tensor of curvature of a surface from a polyhedral approximation},
	booktitle = {ICCV '95: Proceedings of the Fifth International Conference on Computer Vision},
	year = {1995},
	isbn = {0-8186-7042-8},
	pages = {902},
	publisher = {IEEE Computer Society},
	address = {Washington, DC, USA},
}
@book{S77,
	author={Albrecht D{\"u}rer},
	title={The Painter's Manual, translated by W.L. Strauss (1977)},
	year={1525},
	publisher={Abaris Books},
	ISBN="0913870528"
}
@incollection{DO05
, title =	"A Survey of Folding and Unfolding in Computational Geometry"
, author =	"Erik D.~Demaine and Joseph O'Rourke"
, publisher =	"Cambridge University Press"
, year =	2005
, booktitle =   "Combinatorial and Computational Geometry"
, series =      "Mathematics Sciences Research Institute Publications"
, volume =	52
, editor =	"Jacob E. Goodman and J{\'a}nos Pach and Emo Welzl"
, pages =	"167--211"
}
@article{DDLO02
, author =	"Erik D.~Demaine and Martin L.~Demaine and Anna Lubiw and Joseph O'Rourke"
, title =	"Enumerating Foldings and Unfoldings between Polygons and Polytopes"
, journal =	"Graphs and Combin."
, year =	2002
, volume =	18
, number =	1
, pages =	"93--104"
}
@inproceedings{O98
, author =	"Joseph O'Rourke"
, title =	"Folding and unfolding in computational geometry"
, booktitle =	"Proc. 1998 Japan Conf. Discrete Comput. Geom."
, series =	"Lecture Notes Comput. Sci."
, volume =	1763
, publisher =	"Springer-Verlag"
, year =	2000
, pages =	"258--266"
, comment =	"Papers from the {\em Japan Conf. Discrete Comput. Geom.}, Tokyo, Dec. 1998"
}
@inproceedings{DEEHO02
, author =      "Erik D.~Demaine and David Eppstein and Jeff Erickson and George W. Hart and Joseph O'Rourke"
, title =       "Vertex-Unfoldings of Simplicial Manifolds"
, booktitle =   "18th Annu. ACM Sympos. Comput. Geom."
, year =        2002
, pages =	"237--243"
, location =    "Barcelona"
, succeeds =    "deeho-vusp-01"
}
@inproceedings{BDEK99,
	author={Marshall Bern and Erik Demaine and David Eppstein and Eric Kuo},
	title={Ununfoldable Polyhedra},
	booktitle={Proceedings of the 11th Canadian Conference on Computational Geometry},
	pages={13--16},
	year={1999},
	month={August},
	publisher={CCCG'99, Vancouver, British Columbia, Canada},
	url={http://citeseer.nj.nec.com/bern99ununfoldable.html}
}
@article{BDEKMS99,
  title = {Ununfoldable polyhedra with convex faces},
  author = {Marshall Wayne Bern and Erik D. Demaine and David Eppstein and Eric Heng-Shiang Kuo and Andrea Mantler and Jack Snoeyink},
  journal = {Computational Geometry Theory {\&} Applications},
  volume = {24},
  number = {2},
  pages = {51--62},
  month = {February},
  year = {2003},
  url = {http://dx.doi.org/10.1016/S0925-7721(02)00091-3},
  review = {MR-2003m:52017}
}
@inproceedings{BDDLOORW98
, author =	"Therese Biedl and Erik D.~Demaine and Martin L.~Demaine and Anna Lubiw and Joseph O'Rourke and Mark Overmars and Steve Robbins and Sue Whitesides"
, title =	"Unfolding Some Classes of Orthogonal Polyhedra"
, booktitle =	"Proc. 10th Canad. Conf. Comput. Geom."
, year =	1998
, pages =	"70--71"
, url = "http://cgm.cs.mcgill.ca/cccg98/proceedings/cccg98-biedl-unfolding.ps.gz"
, update =	"00.03 orourke"
}
@inproceedings{ADLMOST04
, author = "Greg Aloupis and Erik D.~Demaine and Stefan Langermann and Pat Morin and Joseph O'Rourke and Ileana Streinu and Godfried Toussaint"
, title =       "Unfolding Polyhedral Bands"
, booktitle =   "Proc. 16th Canad. Conf. Comp. Geom."
, year =        2004
, pages =       "60--63"
}
@Article{DDM99,
  AUTHOR        = {Erik D. Demaine and Martin L. Demaine and Joseph S. B. Mitchell},
  TITLE         = {Folding Flat Silhouettes and Wrapping Polyhedral Packages: New Results in Computational Origami},
  JOURNAL       = {Computational Geometry: Theory and Applications},
  journalurl    = {http://www.elsevier.com/locate/issn/09257721},
  VOLUME        = 16,
  NUMBER        = 1,
  YEAR          = 2000,
  PAGES         = {3--21},
  NOTE          = {Special issue of selected papers from the 3rd CGC Workshop on Computational Geometry, 1998.},
  LENGTH        = {23 pages},
  PAPERS        = {SoCG99; CGC98},
  replaces      = {SoCG99; CGC98},
  WEBPAGES      = {wrapping},
  COPYRIGHT     = {The paper is \copyright Elsevier Science Netherlands.}
}
@techreport{LO96
, author =	"Anna Lubiw and Joseph O'Rourke"
, title =	"When can a polygon fold to a polytope?"
, type =	"Technical {Report}"
, number =	048
, institution =	"Dept. Comput. Sci., Smith College"
, month =	Jun
, year =	1996
, note =	"Presented at {\em Amer. Math. Soc.} Conf., 5 Oct. 1996"
, keywords =	"polytopes"
, update =	"96.09 orourke"
}
@article{MMP87,
	author = {Joseph S. B. Mitchell and David M. Mount and Christos H. Papadimitriou},
	title = {The discrete geodesic problem},
	journal = {SIAM J. Comput.},
	volume = {16},
	number = {4},
	year = {1987},
	issn = {0097-5397},
	pages = {647--668},
	doi = {http://dx.doi.org/10.1137/0216045},
	publisher = {Society for Industrial and Applied Mathematics},
	address = {Philadelphia, PA, USA},
}
@techreport{AO91
, author =	"Boris Aronov and Joseph O'Rourke"
, title =	"Nonoverlap of the star unfolding"
, number =	"002"
, institution =	"Smith College"
, address =	"Northampton, MA"
, month =	"Mar"
, year =	"1991"
}
@inproceedings{AAOS90
, author =	"Pankaj K. Agarwal and Boris Aronov and Joseph O'Rourke and C. Schevon"
, title =	"Star unfolding of a polytope with applications"
, booktitle =	"Proc. 2nd Scand. Workshop Algorithm Theory"
, series =	"Lecture Notes Comput. Sci."
, volume =	447
, publisher =	"Springer-Verlag"
, year =	1990
, pages =	"251--263"
, keywords =	"motion planning, shortest paths, polytopes, diameter, edge sequences, unfolding of polytopes"
, precedes =	"aaos-supa-93"
, update =	"98.03 orourke, 96.05 agarwal"
}
@inproceedings{DO02
, author =      "Erik D.~Demaine and Joseph O'Rourke"
, title =       "Open Problems from {CCCG} 2002 [Problem 43]"
, booktitle =   "Proc. 15th Canad. Conf. Comput. Geom."
, site =        "Halifax"
, year =        2003
, url =	"http://arXiv.org/abs/cs/0212050"
, pages =	"178--181"
, note =	"arXiv:cs/0212050"
}
@inproceedings{BCO04
, author =	"Nadia Benbernou and Patricia Cahn and Joseph O'Rourke"
, title = 	"Unfolding Smooth Prismatoids"
, year =	2004
, url =		"http://arxiv.org/abs/cs.CG/0407063"
, pages =	"12--13"
, booktitle =	"Proc. 14th Annu. Fall Workshop Comput. Geom."
, month =	Nov
, note =	"arXiv:cs.CG/0407063"
}
%COMMENTED OUT...
Article{MP03,
	author={Ezra Miller and Igor Pak},
	title={Geodesic Flow on Convex Polyhedra and Nonoverlapping Unfolding},
	journal={Discrete {\&} Comp. Geometry (Invited 20th Anniversary Issue)},
	year={2003}
}
@article{BLS99,
	author = {Therese Biedl and Anna Lubiw and Julie Sun},
	title = {When can a net fold to a polyhedron?},
	journal = {Comput. Geom. Theory Appl.},
	volume = {31},
	number = {3},
	year = {2005},
	issn = {0925-7721},
	pages = {207--218},
	doi = {http://dx.doi.org/10.1016/j.comgeo.2004.12.004},
	publisher = {Elsevier Science Publishers B. V.},
	address = {Amsterdam, The Netherlands, The Netherlands},
}
@inproceedings{BG04
, title =       "When can a graph form an orthogonal polyhedron?"
, author =      "Therese Biedl and Burkay Genc"
, booktitle =   "Proceedings of the 16th Canadian Conference on Computational Geometry (CCCG 2004)"
, site =        "Montr\'{e}al"
, year =        2004
, pages =       "53--56"
}
%COMMENTED OUT...
Article{SS01,
	author = {A. Sheffer and E. de Sturler},
	title = {Parameterization of Faceted Surfaces for Meshing using Angle-Based Flattening},
	year  = {2001},
	journal = {Engineering with Computers},
	volume={17},
	pages={326--337}
}
@article{SH02,
  author = "Alla Sheffer and John Hart",
  title = "Seamster: Inconspicuous Low-Distortion Texture Seam Layout",
	journal = "Proc. IEEE Visualization",
  year = "2002",
  url = "http://citeseer.ist.psu.edu/sheffer02seamster.html",
	pages={291--298}
}  
%COMMENTED OUT...
Article{S02,
  author = "Alla Sheffer",
  title = "Spanning tree seams for reducing parameterization distortion of triangulated surfaces",
	journal = "Shape Modelling International",
  year = "2002",
  url = "citeseer.ist.psu.edu/sheffer02spanning.html",
	pages={61--66}
}
@article{SBBC00,
    author = "Alla Sheffer and Michel Bercovier and Ted D. Blacker and Jan Clements",
    title = "Virtual Topology Operators for Meshing",
    journal = "International Journal of Computational Geometry and Applications",
    volume = "10",
    number = "3",
    pages = "309-331",
    year = "2000",
    url = "citeseer.ist.psu.edu/sheffer97virtual.html" 
}
@article{H99,
  author = "J. Hart",
  title = "Using the CW-complex to represent the topological structure of implicit surfaces and solids",
  year = "1999",
  journal = "Proc. Implicit Surfaces '99, Eurographics/SIGGRAPH",
  pages = "107-112",
  url = "citeseer.ist.psu.edu/hart99using.html" 
}
@techreport{PW99,
  author = "H. Pottmann and J. Wallner",
  title = "Approximation Algorithms for Developable Surfaces - Technical Report No 51",
  year = "1998",
  month = "April",
  institution = "Institut fur Geometrie",
  url = "citeseer.ist.psu.edu/article/pottmann98approximation.html" 
}
@techreport{DBGPH05,
	author={Shen Dong and Peer-Timo Bremer and Michael Garland and Valerio Pascucci and John C Hart},
	title={Quadrangulating a Mesh using Laplacian Eigenvectors},
	year={2005},
	month={June},
	institution={University of Illinois}
}
@article{G02,
	author={Branko Grunbaum},
	title={No-Net Polyhedra},
	year={2002},
	volume={11},
	pages={111--114},
	journal={Geombinatorics}
}
@phdthesis{S97,
	author={Wolfram Schlickenrieder},
	title={Nets of Polyhedra},
	year={1997},
	school={Technische Universitat Berlin},	
	url={citeseer.ist.psu.edu/schlickenrieder97nets.html}
}
@misc{P02,
  author = "Konrad Polthier",
  title = "Polyhedral surfaces of constant mean curvature (extract: chapters 1,3,4)",
  journal = "Habilitationsschrift",
  publisher = "Technische Universitt Berlin",
  year = "2002",
  url = "citeseer.ist.psu.edu/polthier02polyhedral.html" 
}
@misc{MDSB02,
  author = {M. Meyer and M. Desbrun and P. Schr{\"o}der and A. Barr},
  title = "Discrete Differential Geometry Operators for Triangulated 2-Manifolds",
  journal = "VisMath.",
  year = "2002",
  url = "citeseer.ist.psu.edu/meyer02discrete.html" 
}
@article{A02,
	author={Lyuba Alboul},
	title={Curvature Criteria in Surface Reconstruction},
	year={2002},
	journal={Communications on Applied Mathematics},
	publisher={Russian Academy of Sciences, Computing Centre, Moscow},
	url={http://www.ccas.ru/gridgen/ggta02/papers/Alboul.pdf},
	pages={7--25}
}
@inproceedings{SMSER03,
  author    = {Tatiana Surazhsky and Evgeni Magid and Octavian Soldea and Gershon Elber and Ehud Rivlin},
  title     = {A comparison of Gaussian and mean curvatures estimation methods on triangular meshes},
  booktitle = {Proceedings of the 2003 {IEEE} International Conference on Robotics and Automation, {ICRA} 2003, September 14-19, 2003, Taipei, Taiwan},
  publisher = {IEEE},
  organization={IEEE},
  year      = {2003},
  pages     = {1021--1026},
}
@inproceedings{DHKL01,
	author = {Nira Dyn and Kai Hormann and Sun-Jeong Kim and David Levin},
	title = {Optimizing 3D triangulations using discrete curvature analysis},
	booktitle = {Mathematical Methods for Curves and Surfaces: Oslo 2000},
	year = {2001},
	isbn = {0-8265-1378-6},
	pages = {135--146},
	publisher = {Vanderbilt University},
	address = {Nashville, TN, USA},
}
@article{MW00,
	author = {D. S. Meek and D. J. Walton},
	title = {On surface normal and Gaussian curvature approximations given data sampled from a smooth surface},
	journal = {Comput. Aided Geom. Des.},
	volume = {17},
	number = {6},
	year = {2000},
	issn = {0167-8396},
	pages = {521--543},
	doi = {http://dx.doi.org/10.1016/S0167-8396(00)00006-6},
	publisher = {Elsevier Science Publishers B. V.},
	address = {Amsterdam, The Netherlands, The Netherlands},
}
@inproceedings{HA03,
	author = {F. H{\'e}troy and D. Attali},
	title = {Detection of constrictions on closed polyhedral surfaces},
	booktitle = {VISSYM '03: Proceedings of the symposium on Data visualisation 2003},
	year = {2003},
	isbn = {1-58113-698-6},
	pages = {67--74},
	location = {Grenoble, France},
	publisher = {Eurographics Association},
	address = {Aire-la-Ville, Switzerland, Switzerland},
}
@techreport{GG04,
  title = {Improved Curvature Estimation on Triangular Meshes},
  author = {Tim Gatzke and Cindy Grimm},
  number = {2004-9},
  institution = {Washington University in St. Louis},
  year = {2004}
}
@Article{HP04a,
  title       = "Anisotropic filtering of non-linear surface features",
  author      = "Klaus Hildebrandt and Konrad Polthier",
  journal     = "Computer Graphics Forum",
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---