@inproceedings{DBLP:conf/cccg/AbsarW06,
  author    = {Rafa Absar and
               Sue Whitesides},
  title     = {On Computing Shortest External Watchman Routes for Convex
               Polygons},
  booktitle = {CCCG},
  year      = {2006},
  ee        = {http://www.cs.queensu.ca/cccg/papers/cccg16.pdf},
  crossref  = {DBLP:conf/cccg/2006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/cccg/2006,
  title     = {Proceedings of the 18th Annual Canadian Conference on Computational
               Geometry, CCCG 2006, August 14-16, 2006, Queen's University,
               Ontario, Canada},
  booktitle = {CCCG},
  year      = {2006},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}