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On locating a facility to service areas within a network
Slater, Peter J., (1981)
K-eccentricity and absolute k-centrum of a probabilistic tree
Andreatta, G., (1985)
Locating a mobile server queueing facility on a tree network
Chiu, Samuel S., (1985)
A graph theoretical bound for the p-median problem
Galvão, Roberto D., (1981)
Practical combinatorial optimization
Galvão, Roberto D., (1992)
Note--Single and Double Vertex Substitution in Heuristic Procedures for the p-Median Problem
Eilon, Samuel, (1978)