Ground motion amplification due to shallow cavities in nonlinear soils.Published in:Natural Hazards, 2014, v. 71, n. 3, p. 1913, doi. 10.1007/s11069-013-0989-zBy:Sica, Stefania;Dello Russo, Angelo;Rotili, Federica;Simonelli, ArmandoPublication type:Article