[Apolloni et al., 2002f] Apolloni Bruno, Gaito Sabrina, Iannizzi Domenico and Malchiodi Dario Learning regression functions, in B. Apolloni and F. Kurfess (Eds.), From synapses to rules. Discovering symbolic rules from neural processed data, Chapter 3, New York: Kluwer Academic/Plenum Publishers (ISBN 0-306-47402), 61-73, 2002 [BIBTEX]