@article{DBLP:journals/cor/SenneLP05,
author = {Edson Luiz Fran\c{c}a Senne and
Luiz Antonio Nogueira Lorena and
Marcos Antonio Pereira},
title = {A branch-and-price approach to {\it p}-median location
problems},
journal = {Computers {\&} OR},
volume = {32},
year = {2005},
pages = {1655-1664},
ee = {http://dx.doi.org/10.1016/j.cor.2003.11.024},
bibsource = {DBLP, http://dblp.uni-trier.de}
}