Gupta, J. B. <br/><br/>
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) ... / 
by J. B. Gupta 
 - 15th ed. 
 - New Delhi :  S.K. Kataria & Sons,  2015 
 - xii, 961 p. :  ill. (some col.) ;  28 cm. 
<br/><br/><label>ISBN: </label>9789350142776 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric machinery--Direct current<br/>Electric machinery--Alternating current<br/>Electric machinery--Polyphase