↑ Encyclopedic Treccani Institute, Enciclopedia Biografica Universale, Rome, 2007, Volume 14, Page 617; Treccani-Portale Scienze/Biografie; Who's Who in Italy G. Colombo, Who's Who in Italy S. R. L., Who's Who in Italy - 2006 - Volumes 1-3 - Page 1398
