Akyüz, M. H., Öncan, T., Altınel, İ.K., “Efficient Lower and Upper Bounds for He Multi-Commodity Capacitated Multi-Facility Weber Problem with Rectilinear Distances”, Logistik Management - System, Methoden, Integration, S. Voss, J. Pahl, S. Schwarze (Derleyenler), Physica Verlag HD, Series in Business and Economics, 229-245, 2009.