@article {aras2008efficient,
	title = {Efficient heuristics for the rectilinear distance capacitated multi-facility Weber problem},
	journal = {Journal of the Operational Research Society},
	volume = {59},
	number = {1},
	year = {2008},
	pages = {64{\textendash}79},
	publisher = {Nature Publishing Group},
	author = {Necati Aras and Orbay, M and I. Kuban Altinel}
}
