@book{1258,
	author = {Theraja,B.L. and Theraja,A.K.},
	title = {A Textbook of Electrical Technology; Vol. 4 :},
	publisher = {S. Chand & Company Ltd,},
	year = {1959 [Reprinted 2002]},
	address = {New Delhi :},
	edition = {23rd ed.}
}