I. Beniaminy, D. Yellin, U. Zahavi, and M. Zerdin. Bio-inspired Algorithms for the Vehicle Routing Problem, volume 161 of Studies in Computational Intelligence, Springer, (2009)
I. Silberstein. Computer Mediated Education of Information Technology Professionals and Advanced End-Users, volume A-35 of IFIP Transactions, page 221-227. North-Holland, (1993)