@book{25273,
	author = {Theraja, B.L. and Theraja, A.K.},
	title = {A textbook electrical technology: electronic devices & circuits in S.I. units. Volume 4},
	publisher = {S. Chand and Company Pvt. Ltd,},
	year = {2015.},
	address = {New Delhi:},
	edition = {23rd ed.}
}