@article {ozkisacik2009solving,
	title = {Solving probabilistic multi-facility Weber problem by vector quantization},
	journal = {OR spectrum},
	volume = {31},
	number = {3},
	year = {2009},
	pages = {533{\textendash}554},
	publisher = {Springer-Verlag},
	author = {{\"O}zk{\i}sac{\i}k, Kerem Can and I. Kuban Altinel and Necati Aras}
}
