J. Gomes et al., "Cooperative coevolution of control for a real multirobot system", in Parallel Problem Solving from Nature – PPSN XIV. Lecture Notes in Computer Science, Handl, J., Hart, E., Lewis, P. R., López-Ibáñez, M., Ochoa, G., and Paechter, B., Ed., Edinburgh, Springer, 2016, vol. 9921, pp. 591-601