00384nam a2200133   450000100060000000300030000600500170000900800410002603500190006703500180008605000220010424500960012626000280022216948UR20220428184820.0061103|||||||||||||||||||||||||||||||| d  a(janium) 16937  a(janium)16937 4aTK2551b.M37 194510aMagnetic circuits and transformersb : a first course for power and communication engineers  bJohn Wiley & Sonsc1945