Media type: E-Article Title: A conservative index heuristic for routing problems with multiple heterogeneous service facilities Contributor: Shone, Rob [Author]; Knight, Vincent [Author]; Harper, Paul R. [Author] Published: 2020 Published in: Mathematical methods of operations research ; 92(2020), 3 vom: Dez., Seite 511-543 Language: English DOI: 10.1007/s00186-020-00722-w Identifier: Keywords: Aufsatz in Zeitschrift Origination: Footnote: Access State: Open Access