Igor Machado Coelho, Pablo Luiz Araújo Munhoz, M. N. Haddad, Marcone Jamilson Freitas Souza, Luiz Satoru Ochi. A hybrid heuristic based on General Variable Neighborhood Search for the Single Vehicle Routing Problem with Deliveries and Selective Pickups. Electronic Notes in Discrete Mathematics, 39:99-106, 2012. [doi]
Abstract is missing.