RT Journal Article SR Electronic(1) A1 Espinoza, F. A1 O. CaseIIes, J. A1 Mena, U. A1 G. Pujades, L. A1 A. Canas, J. A1 Clapes, J.YR 1998 T1 Fundamental periods of soil obtained from measurements in buildings JF , VO OP SP cp-43-00133 DO https://doi.org/10.3997/2214-4609.201407158 PB European Association of Geoscientists & Engineers, SN 2214-4609, AB , UL https://www.earthdoc.org/content/papers/10.3997/2214-4609.201407158