1. Burkhardt, F., Kienast, M., Paeschke, A., Weiss, B.: 1997–1999.
http://pascal.kgw.tu-berlin.de/emodb/
. Accessed Jan 2013
2. Sombra, A., Valdez, F., Melin, P., Castillo, O.: A new gravitational search algorithm using fuzzy logic to parameter adaptation. IEEE Congress on Evolutionary Computation 2013, pp. 1068–1074
3. Valdez, F., Melin, P., Castillo, O.: Evolutionary method combining particle swarm optimization and genetic algorithms using fuzzy logic for decision making. In: Proceedings of the IEEE International Conference on Fuzzy Systems, 2009, pp. 2114–2119
4. Valdez, F., Melin, P., Castillo, O.: Fuzzy logic for parameter tuning in evolutionary computation and bio-inspired methods. MICAI (2), pp. 465–474 (2010)
5. Melin, P., Castillo, O.: Hybrid Intelligent Systems for Pattern Recognition Using Soft Computing. Springer, Berlin (2005)