@TechReport{SalaniVacca09,
author = {Matteo Salani and Ilaria Vacca },
title = {Branch and Price for the Vehicle Routing Problem with Discrete Split Deliveries and Time Windows},
institution = {Transport and Mobility Laboratory, Ecole Polytechnique F\'ed\'erale de Lausanne},
number = {TRANSP-OR 091224},
note = {Published as Salani, M., and Vacca, I. (2011). Branch and Price for the Vehicle Routing Problem with Discrete Split Deliveries and Time Windows, European Journal of Operational Research213(3):470-477},
year = {2009}
}