c Chapter Sivori, Daniele | Cattari, Serena | Lepidi, Marco Assessment of the rigid behaviour of diaphragms from ambient vibration measurements : application to masonry buildings in pre and postearthquake conditions PDF 2019 - Pisa University Press Is part of Atti del XVIII Convegno ANIDIS L'ingegneria Sismica in Italia : Ascoli Piceno, 15-19 settembre 2019