00778nam2-22002891i-450-99000089762040332120001010000089762FED01000089762(Aleph)000089762FED0100008976220001010d--------km-y0itay50------baitay-------001yyVolume 61976 Literature December 1977BerkleyE.E.R.C.1977p.286cm 260010000895062001Abstract Journal in Earthquake Engineering06Dinamica , SismicaITUNINARICAUNIMARCBK990000897620403321000089762000001IINTCIINTCVolume 6357060UNINAING01