@headline{art, note="Journal Articles",}

@article{pottmann-2008-sc,
	title = "Freeform surfaces from single curved panels",
	author = {Helmut Pottmann and Alexander Schiftner and Pengbo Bo
		and Heinz Schmiedhofer and Wenping Wang
		and Niccolo Baldassini and Johannes Wallner},
	journal = "ACM Trans. Graphics",
	volume = 27,
	number = 3,
	year = 2008,
	pages = {\#76,1--10},
	note = "Proc.\ SIGGRAPH",
	doi="http://doi.acm.org/10.1145/1360612.1360675",
	url="http://www.geometrie.tugraz.at/wallner/strip.pdf",
}
@article{pottmann-2008-af,
        author = "Helmut Pottmann and Alexander Schiftner and
                Johannes Wallner",
        title = "Geometry of architectural freeform structures",
        journal = "Int. Math. Nachr.",
        volume = 209,
        pages = "15-28",
        year = 2008,
        url="http://www.geometrie.tugraz.at/wallner/arch-imn.pdf",
}


@article{schiftner-2009-cp,
        author = "Alexander Schiftner and Mathias H{\"o}binger
                and Johannes Wallner and Helmut Pottmann",
        title = "Packing circles and spheres on surfaces",
        journal = "ACM Trans. Graphics",
        year = 2009,
        volume = 28,
        number = 5,
        pages = "\#139,1-8",
        note = "{P}roc.\ SIGGRAPH Asia",
        url = "http://www.geometrie.tugraz.at/wallner/packing.pdf",
        doi = "http://doi.acm.org/10.1145/1618452.1618485",
}

@incollection{wallner-2009-ddabstract,
        title = {Semidiscrete Surface Representations},
        author = {J. Wallner},
        booktitle = {Discrete Differential Geometry},
        editor = {Alexander Bobenko and others},
        fulleditor = {Alexander Bobenko and Richard Kenyon and
                John Sullivan and G{\"u}nter Ziegler},
        series = {Oberwolfach Reports},
        year = {2009},
        xurl = "http://www.geometrie.tugraz.at/wallner/ddg09-wallner.pdf",
        url="http://www.mfo.de/cgi-bin/path?cgi-bin/tagung_espe?type=21&tnr=0903",
        note = {Abstracts from the workshop held January 12--17, 2009},
}

@article{wallner-2009-gs,
        author = "Johannes Wallner and Helmut Pottmann",
        title = "Geometrische {S}truktur und {F}reiformarchitektur",
        journal = "IBDG",
        year = 2009,
        volume = 27,
        number = 1,
        pages = "34-38",
        url="http://www.geometrie.tugraz.at/wallner/ibdg.pdf",
}


@article{karpenkov-2010-km,
        author = "Oleg Karpenkov",
        title = "On the flexibility of {K}okotsakis meshes",
        journal = "Geom. Dedicata",
        year=  2010,
        note = "to appear",
        doi = "http://dx.doi.org/10.1007/s10711-009-9436-4",
        url = "http://www.arxiv.org/pdf/0812.3050v1",
        arxiv = "0812.3050",
}

@article{mueller-2010-oma,
        author = "Christian M{\"u}ller and Johannes Wallner",
        title = "Oriented mixed area and discrete minimal surfaces",
        journal = "Discrete Comput. Geom.",
        year = 2010,
        pages="303--320",
        volume=43,
        url = "http://www.geometrie.tugraz.at/wallner/mixedarea.pdf",
        doi = "http://dx.doi.org/10.1007/s00454-009-9198-7",
}

@article{pottmann-2009-eolag,
        author = "Helmut Pottmann and Philipp Grohs and Bernhard Blaschitz",
        title = "Edge offset meshes in {L}aguerre geometry",
        journal = "Adv. Comp. Math.",
        year = 2010,
        note = "to appear.",
        url = "http://www.dmg.tuwien.ac.at/grohs/eolag.pdf",
        doi = "http://dx.doi.org/10.1007/s10444-009-9119-6",
}

@article{bobenko-2010-ct,
        author = "Alexander Bobenko and Helmut Pottmann and Johannes Wallner",
        title = "A curvature theory for discrete surfaces based
                on mesh parallelity",
        journal = "Math. Annalen",
        year = 2010,
        note = "to appear",
        url = "http://www.geometrie.tugraz.at/wallner/pkmesh.pdf",
        arxiv="0901.4620",
        doi="http://dx.doi.org/10.1007/s00208-009-0467-9",
}

@headline{tr, note="Technical Reports",}

@techreport{mueller-tr0903,
        author = "Christian M{\"u}ller",
        title = "Conformal hexagonal meshes",
        institution = "TU Graz",
        number="2009/03",
        type = "Geometry Preprint",
        year = 2009,
        month = "April",
        url = "http://www.geometrie.tuwien.ac.at/mueller/dualhex.pdf",
}