V. Robles, J.M. Peña, M.S. Perez, P. Herrero, and O. Cubo. Advances in intelligent data analysis VI: 6th International Symposium on Intelligent Data Analysis, IDA 2005, Madrid, Spain, September 8-10, 2005: proceedings, page 339. Springer-Verlag New York Inc, (2005)
V. Robles, J.M. Peña, M.S. Perez, P. Herrero, and O. Cubo. Advances in intelligent data analysis VI: 6th International Symposium on Intelligent Data Analysis, IDA 2005, Madrid, Spain, September 8-10, 2005: proceedings, page 339. Springer-Verlag New York Inc, (2005)