@book{19881,
	author = {Gupta, J B},
	title = {Theory and performance of electrical machines : DC machines and AC machines for B.Sc. B.Tech. B.E. A.M.I.E. (India) Section B; U.P.S.C. I.E.S. (electrical  engineering); GATE (electrical engineering) and other equivalent engineering examinations},
	publisher = {S K Kataria},
	year = {2018},
	address = {New Delhi}
}