@misc{lwt-01
, author = {Sergei Bespamyatnikh and Peter Anderson and Adrian Driga and Leslie
Fairbrain and Jacky Li and Tatiana Marquez-Lago and Ling Zhao}
, title = {Locating Watchtowers in Terrains}
, booktitle = {Proc. of the Fourth PIMS Graduate Industrial Math Modelling
Camp, University of Victoria}
, year = {2001}
, pages = {1--10}
, url = {http://www.pims.math.ca/publications/proceedings}
}