C. Archetti, M.G. Speranza, and D. Vigo. Vehicle routing problems with profits. In book: Vehicle Routing. Chapter: Vehicle routing problems with profits, Editors: D. Vigo, P. Toth (2014).
C. Archetti and M.G. Speranza. Arc routing problems with profits. In book: Arc routing problems: Problems, Methods, and ApplicationsEdition: MOS/SIAM Series on Optimization 20Publisher: SIAM, Philadelphia,Editors: A. Corberan, G. Laporte (2014).
P. Vansteenwegen, W. Souffriau, and D. Van Oudheusden. The orienteering problem: A survey. European Journal of Operational Research, 209, 1-10, 2011.
D. Feillet, P. Dejax, and M. Gendreau. Travelling salesman problems with profits. Transportation Science, 39, 188-205, 2005.