@inproceedings{Eisemann07ACO,
  title = {Automatic Creation of Object Hierarchies for Ray Tracing Dynamic Scenes},
  author = {Eisemann, Martin and Grosch, Thorsten and M{\"u}ller, Stefan and Magnor, Marcus},
  booktitle = {{WSCG} Short Communications Proceedings},
  pages = {57--64},
  month = {Jan},
  year = {2007}
}