@book{494,
	author = {Gupta, J. B.},
	title = {A Text Book of Electronics Devices and Circuits },
	publisher = {S K Kataria & Sons,},
	year = {2010.},
	series = {Mdu.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/9350140500/chopaconline-20}
}