M. Penagarikano, and G. Bordel. Machine Learning for Signal Processing, 2004. Proceedings of the 2004 14th IEEE Signal Processing Society Workshop, page 305 -314. (29 2004-oct. 1 2004)
D. Korn, R. Huang, D. Beavers, T. Bolioli, and M. Walker. Electronics and the Environment, 2004. Conference Record. 2004 IEEE International Symposium on, page 128 - 131. (May 2004)