@InProceedings{vg2005-stegmaier,
  author = {Stegmaier, S. and Strengert, M. and Klein, T. and Ertl, T.},
  title  = {{A Simple and Flexible Volume Rendering Framework for Graphics-Hardware--based Raycasting}},
  year   = {2005},
  pages  = {187--195},
  booktitle={{Proceedings of the International Workshop on Volume Graphics '05}}
}