@article{DBLP:journals/eor/ImranSW09,
author = {Arif Imran and
Sa\"{\i}d Salhi and
Niaz A. Wassan},
title = {A variable neighborhood-based heuristic for the heterogeneous
fleet vehicle routing problem},
journal = {European Journal of Operational Research},
volume = {197},
number = {2},
year = {2009},
pages = {509-518},
ee = {http://dx.doi.org/10.1016/j.ejor.2008.07.022},
bibsource = {DBLP, http://dblp.uni-trier.de}
}