@conference {simidat66, title = {A Symbiotic CHC Co-evolutionary Algorithm for Automatic RBF Neural Networks Design}, booktitle = {DCAI 2008: International Symposium on Distributed Computing and Artificial Intelligence}, volume = {50/2009}, year = {2008}, month = {Salamanca}, pages = {663-671}, author = {E. Parras-Guti{\'e}rrez and V. M. Rivas and M. J. del Jesus and Juan J. Merelo} }