00851nam0-2200325---450-99000820622040332120130621133352.0000820622FED01000820622(Aleph)000820622FED0100082062220051017d1950----km-y0itay50------baengUSy-------001yyEarth wavesL. Don LeetCambridgeHarvard University Press1950122 p.20 cmHarvard monographs in applied science2SismologiaLeet,Lewis Don308638ITUNINARICAUNIMARCBK990008206220403321GM1 AC I 81412GM1M4/280216DINGEGM1DINGEEarth waves740068UNINA