Media type: E-Article Title: A cluster-based optimization approach for the multi-depot heterogeneous fleet vehicle routing problem with time windows Contributor: Dondo, Rodolfo; Cerdá, Jaime imprint: Elsevier BV, 2007 Published in: European Journal of Operational Research Language: English DOI: 10.1016/j.ejor.2004.07.077 ISSN: 0377-2217 Origination: Footnote: