00747nam0-22002891i-450-99000088322040332120001010000088322FED01000088322(Aleph)000088322FED0100008832220001010d--------km-y0itay50------baitay-------001yyWave Motion in Elastic SolidsOxfordClarendon press1975649ill.cm 23FondazioneGraff,Karl F.40661ITUNINARICAUNIMARCBK99000088322040332103 F.0,493314IINTCIINTCWave motion in elastic solids348278UNINAING01