1. Reaching the elementary lower bound in the vehicle routing problem with time windows. Issue 1 (9th January 2015) Authors: Contardo, Claudio; Desaulniers, Guy; Lessard, François Journal: Networks Issue: Volume 65:Issue 1(2015:Jan.) Page Start: 88 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗