Neural Nets 16th Italian Workshop on Neural Nets, WIRN 2005, and International Workshop on Natural and Artificial Immune Systems, NAIS 2005, Vietri sul Mare, Italy, June 8-11, 2005, Revised Selected Papers - Apolloni, Bruno; Marinaro, Maria; Nicosia, Giuseppe; Tagliaferri, Roberto (Springer Berlin Heidelberg, 2006)