"loymar, l . "
principles of heavy current engineering: / l.. loymar - 1 ed. - uk : champman and hall 1974. - "vii, 115p.; 25 cm."
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621. 3 sol
principles of heavy current engineering: / l.. loymar - 1 ed. - uk : champman and hall 1974. - "vii, 115p.; 25 cm."
--
621. 3 sol