@incollection{do03a,
    author = {Döllner, Jürgen},
    booktitle = {Web.Mapping 2. Telekartographie, Geovisualisierung und mobile Dienste},
    publisher = {Wichmann Verlag},
    title = {Virtuelle 3D-Kartenmodelle},
    year = {2003},
    pages = {77--88},
}