@inproceedings{DBLP:conf/compgeom/AhnBBCHMS97,
  author    = {Hee-Kap Ahn and
               Mark de Berg and
               Prosenjit Bose and
               Siu-Wing Cheng and
               Dan Halperin and
               Jir\'{\i} Matousek and
               Otfried Schwarzkopf},
  title     = {Separating an Object from its Cast},
  booktitle = {Symposium on Computational Geometry},
  year      = {1997},
  pages     = {221-230},
  ee        = {http://doi.acm.org/10.1145/262839.262974},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}