Vaz, Daniel Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Vaz, D., Paquete, L., Fonseca, C. M., Klamroth, K., & Sitglmayr, M. (2015). Representation of the Non-dominated Set in Biobjective Discrete Optimization. Computers & Operations Research, 63, 172-186. doi:10.1016/j.cor.2015.05.003.