00784nam0-22002771i-450-99000046282040332120090402095522.0000046282FED01000046282(Aleph)000046282FED0100004628220020821d1975----km-y0itay50------baenga-------001yyPower transmission by direct currentErich UhlmannBerlin ; HeidelbergSpringer-Verlag1975389 p.ill.24 cmDistribuzione dell'energia elettricaCorrente continua621.319'12Uhlmann,ErichITUNINARICAUNIMARCBK99000046282040332110 D II 2079116DINELDINELUNINA