Lalla-Ruiz, Eduardo, Eduardo Segredo, y Stefan Voß. «A cooperative learning approach for the quadratic Knapsack problem». En Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 11353 LNCS:31-35. Springer Verlag, 2019. https://doi.org/10.1007/978-3-030-05348-2_3.