Media type: E-Article Title: A Lagrangean heuristic for the facility location problem with staircase costs Contributor: Holmberg, Kaj; Ling, Jonas imprint: Elsevier BV, 1997 Published in: European Journal of Operational Research Language: English DOI: 10.1016/s0377-2217(96)00058-6 ISSN: 0377-2217 Origination: Footnote: