Publisher's Synopsis
Excerpt from The Shortest Watchtower and Related Problems for Polyhedral Terrains
Work on this paper has been supported by Office of Naval Research Grant n00014-82-k-0381, by Na tional Science Foundation Grant No. Nsf-dcr-83-20085, by grants from the Digital Equipment Cor potation, and the ibm Corporation, and by a research grant from the ncrd the Israeli National Council for Research and Development.
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