<bibliography>
    <title>Quellen-Verzeichnis</title>
    <bibliomixed>
        <bibliomset>
            [1] <surname>Wakita</surname>, <surname>Yajima</surname>, <surname>Harada</surname>, 
            <surname>Toriya</surname>, <surname>Chiyokura</surname>
            <title role=article>XVL:
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            With Lattice Mesh and Surface for the Internet</title>.
            <corpname>Keio University</corpname>
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            [2] <title role=article>http://www.datenaustausch.com/datfor.htm - 
            CAD Datenformate</title>.
            <corpname>datenaustausch.com - CAMTEX GmbH</corpname>
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            [3] <title role=article>VRML Sourcebook examples</title>.
            <corpname>web3d.org</corpname>
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            [4] <surname>Chiyokura</surname>, <surname>Kimura</surname>.
                <title role=article>Design of Solids with Free-form Surfaces</title>.
        </bibliomset>
    </bibliomixed>
    <bibliomixed>
        <bibliomset>
            [5] <surname>Kenjiro Takai Miuraa</surname>, <surname>Kuo-King Wangb</surname>
                <title role=article>Cē Gregory patch</title>
                http://www.eg.org/EG/DL/Conf/EG91/papers/EUROGRAPHICS_91pp481_492_abstract.pdf.
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            [6] <surname>Ling Huang JianFeng Zhen  Xinxiong Zhu  Leiyi</surname>.
                <title role=article>A Surface Interpolating Method for 3D Curves-Nets</title>
                http://www.cs.berkeley.edu/~hling/research/paper/surface.htm
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            [7] <surname>C.-K. Shene</surname>.
                <title role=article>Introduction to Computing with Geometry Notes</title>
                http://www.cs.mtu.edu/~shene/COURSES/cs3621/NOTES/
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            [8] <surname>Joe Greco</surname>.
                <title role=article>Surfaces</title>.
                http://www.deskeng.com/articles/00/Dec/feature_MCAD/main.htm
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            [9] <corpname>web3D Consortium</corpname>
                <title role=article>Open Standards for Real-Time 3D Communication</title>
                http://web3d.org/
        </bibliomset>
    </bibliomixed>
</bibliography>
