@article{bkst-oflvd-00
, author = {S. Bespamyatnikh and K. Kedem and M. Segal and A. Tamir}
, title = {Optimal Facility Location under Various Distance Functions}
, journal = {Int. J. Comput. Geom. Appl.}
, year = {2000}
, volume = {10}
, number = {5}
, pages = {523--534}
}