Drago C, Ferlito, R. Zucconi. M. (2015) Clustering of damage variables for masonry buildings relived after L’Aquila earthquake. Statistics and Demography: the Legacy of Corrado Gini, Corrado Crocetta Editor, ISBN 978 88 678, Treviso, September 2015 (also presented at Italian Statistical Society SIS conference 2015)