@inproceedings{KPV07,
  Author = {Bertrand Klimmek and Hartmut Prautzsch and Nikolaus Vahrenkamp},
  Title = {Shadow Metamorphosis},
  Booktitle = {Proceedings of the Dagstuhl conference on geometric modelling 2005, Computing suppl., 2007},
  Year = {2007},
  Editor = {Gerald Farin and Stefanie Hahmann and Guido Brunnet},
  Pages = {325-–335}
}