@article{ld10a,
    author = {Lorenz, Haik and Döllner, Jürgen},
    journal = {Computers, Environment and Urban Systems (CEUS)},
    title = {3D Feature Surface Properties and Their Application in Geovisualization},
    year = {2010},
    number = {6},
    pages = {476--483},
    volume = {34},
    doi = {10.1016/j.compenvurbsys.2010.04.003},
    publisher = {Elsevier},
}