00792nam0-22002771i-450-99000049930040332120080305121736.0000049930FED01000049930(Aleph)000049930FED0100004993020020821d1916----km-y0itay50------baenga-------001yyTheory and calculation of alternating current phenomenaCharles Proteus SteinmetzNew YorkMcGraw-Hill1916480 p.ill.25 cmCorrente elettrica alternata621.38Steinmetz,Charles Proteus<1865-1923>ITUNINARICAUNIMARCBK99000049930040332110 C I 113535DINELDINELUNINA