@MISC{Rosenbaum2012,
  author = {Rosenbaum, R. and Schulz, H.-J. and Hadlak, S. and Schumann, H.},
  title = {Visual Analysis of Spatiotemporal Multilevel Data},
  howpublished = {Workshop GeoVisual Analytics, Time to Focus on Time at the International Conference on Geographic Information Science (GIScience)},
  year = {2012},
  location = {Columbus, USA},
  url = {http://geoanalytics.net/GeoVA(t)2012/}
}