1. P. Mirchandani, R. Francis (Eds.), Discrete Location Theory, Wiley, New York, 1990
2. On the uncapacitated plant location problem;Cho;Mathematics of Operations Research,1983
3. A.R. Conn, G. Cornuejols, A projection method for the uncapacitated facility location problem, CS-87-19, Computer Science Department, University of Waterloo, 1987
4. On the uncapacitated location problem;Cornuejols;Annals of Discrete Mathematics,1977
5. Location of bank accounts to optimize float: An analytic study of exact and approximate algorithms;Cornuejols;Management Science,1977