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"Two-Guard Walkability of Simple Polygons."
L. H. Tseng, Paul J. Heffernan, D. T. Lee (1998)
- L. H. Tseng, Paul J. Heffernan, D. T. Lee:
Two-Guard Walkability of Simple Polygons. Int. J. Comput. Geom. Appl. 8(1): 85-116 (1998)
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