Ilker Demirkol Cem Ersoy M. Ufuk Çaglayan Hakan Deliç Location Area Planning in Cellular Networks Using Simulated Annealing. 13-20 2001 INFOCOM http://www.ieee-infocom.org/2001/paper/566.pdf db/conf/infocom/infocom2001-1.html#DemirkolECD01