TY - BOOK AU - Gupta,J.B. TI - Theory and performance of electrical machines: (DC machines, polyphase circuits and AC machines) in SI units for B.Sc. (Engineering); B. Tech.; B.E; A.M.I.E. (India) ... SN - 9789350142776 (pbk.) PY - 2015/// CY - New Delhi PB - S.K. Kataria & Sons KW - Electric machinery KW - Direct current KW - Alternating current KW - Polyphase ER -