@article{article947e3a98,
title   = {The constrained compartmentalized knapsack problem: mathematical models and solution methods},
author = {Leão, Aline Aparecida de Souza and Santos, Maristela Oliveira dos and Hoto, Robinson Samuel Vieira and Arenales, Marcos Nereu},
year = {2011},
doi = {10.1016/j.ejor.2011.02.016},
journal   = {European Journal of Operational Research}
}