00753nam0-22002891i-450-99000087762040332120001010000087762FED01000087762(Aleph)000087762FED0100008776220001010d--------km-y0itay50------baitay-------001yyEarthquake a PrimerSan FranciscoW.H.Freeman and Company1978p.241ill.cm 23Dinamica , SismicaBolt,Bruce A.42988ITUNINARICAUNIMARCBK99000087762040332103 D.0,1664018IINTCIINTCEarthquake a Primer355641UNINAING01