@inproceedings{cccg-06
, title =       "On Computing Shortest External Watchman Routes for Convex Polygons"
, author =      "Rafa Absar and Sue Whitesides"
, booktitle =   "Proceedings of the 18th Canadian Conference on Computational Geometry (CCCG'06)"
, site =        "Kingston"
, year =        2006
, pages =       "59--62"
}