@book {47738327,
	title = {{Efficient Lower and Upper Bounds for the Multi-commodity Capacitated Multi-facility Weber Problem with Rectilinear Distances}},
	series = {Logistik Management},
	year = {2009},
	doi = {10.1007/978-3-7908-2362-2_11},
	author = {M. Hakan Aky{\"u}z and Temel {\"O}ncan and I. Kuban Altinel}
}
@article {4777890,
	title = {{Exact solution procedures for the balanced unidirectional cyclic layout problem}},
	journal = {European Journal of Operational Research},
	volume = {189},
	year = {2008},
	pages = {609{\textendash}623},
	doi = {10.1016/j.ejor.2006.09.094},
	author = {Temel {\"O}ncan and I. Kuban Altinel}
}
