Experimental out-of-plane seismic response of URM gables: Role of roof flexibility and differential input - Nicolò Damiani; Satyadhrik Sharma; Marta Bertassi; Marco Smerilli; Michele Mirra; Igor Lanese; Elisa Rizzo Parisi; Gerard J. O’Reilly; Francesco Messali; Francesco Graziotti (Engineering Structures, 2026)