00779nam0-2200289---450-99000823244040332120051123133347.0000823244FED01000823244(Aleph)000823244FED0100082324420051123d1958----km-y0itay50------baengGBa-------001yyLong-wawe and medium-wave propagationH. E. FarrowLondonIliffe & Sons195839 p.ill.19 cmSismologiaFarrowH. E.499109ITUNINARICAUNIMARCBK990008232440403321GM1 AC I 231913GM1GM1Long-wawe and medium-wave propagation738013UNINA