@inproceedings{buschmann2012a,
    author = {Buschmann, Stefan and Trapp, Matthias and Döllner, Jürgen},
    booktitle = {GIScience workshop on GeoVisual Analytics, Time to Focus on Time},
    title = {Challenges and Approaches for the Visualization of Movement Trajectories in 3D Geovirtual Environments},
    year = {2012},
}