@book{473,
	author = {J.B.Gupta},
	title = {Analog Electronics /},
	publisher = {S K KATARIA & SONS,},
	year = {2010.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/9380027109/chopaconline-20}
}