//-->
An integrated Lagrangean relaxation-simulated annealing approach to the multi-level multi-item capacitated lot sizing problem
Ozdamar, Linet, (2000)
Planning helicopter logistics in disaster relief
Ozdamar, Linet, (2011)
Hierarchical design of an integrated production and 2-echelon distribution system
Barbarosoglu, Gulay, (1999)