00855nam0-22003371i-450-990000894900403321200010100-07-011394-7000089490FED01000089490(Aleph)000089490FED0100008949020001010d--------km-y0itay50------baitay-------001yyDynamics of Structures2 ed.New YorkMcGraw Hill1993p.738ill.cm 24Second EditionDinamica SismicaClough,Ray W.29287Penzien,JosephITUNINARICAUNIMARCBK99000089490040332103 D.0,282664IINTCIINTCDynamics of structures329345UNINAING01