00389nam a22001577a 4500 20260430073654.0 0 0 0 0 BB BB 2004-01-01 0 621.3841 GIB 38 2004-01-01 00:00:00 2004-01-01 BB 55469 55469 (pbk.) 621.3841 GIB Gibbs, J. B. Transformer : Principles & Practice / J. B. Gibbs. 2nd ed. New York : McGraw Hill, 1950. x, 249p. : ill ; 20cm. Index. BK