"say, m g. "
performance and design of ac machines: / m.g. say - 3 ed. - uk : e l b s 1958. - "xxi, 664p.; 22 cm."
0 273 42392 4
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621. 313 3 say
performance and design of ac machines: / m.g. say - 3 ed. - uk : e l b s 1958. - "xxi, 664p.; 22 cm."
0 273 42392 4
--
621. 313 3 say