@article {AgraliEtAl2012,
	title = {A Facility Location Model with Safety Stock Costs: Analysis of the Cost of Single-Sourcing Requirements},
	journal = {Journal of Global Optimization},
	volume = {54(3)},
	year = {2012},
	pages = {551-581},
	doi = {http://dx.doi.org/10.1007/s10898-011-9777-z},
	author = {Semra A{\u g}ral{\i} and Joseph Geunes and Z C Ta{\c s}k{\i}n}
}
