@article{paperid:202163,
author = { -,  - and Taghizadeh Kakhki, Hossein},
title = {Solving the p-median problem with pos/neg weights by variable neighborhood search and some results f},
journal = {European Journal of Operational Research},
year = {2006},
number = {127},
month = {January},
issn = {0377-2217},
pages = {440--462},
			numpages = {22},
keywords = {Location theory; p-Median problem; Discrete optimization; Heuristics},
}