S. Pirkwieser, G. Raidl, J. Gottlieb:
"Improved packing and routing of vehicles with compartments";
in: "Extended Abstracts of EUROCAST 2011 - 13th International Conference on Computer Aided Systems Theory", Universidad de Las Palmas de Gran Canaria, 2011, ISBN: 978-84-693-9560-8, 302 - 304.
http://publik.tuwien.ac.at/files/PubDat_201163.pdf