@book{296,
	author = {Markus, John.},
	title = {Guidebook of Electronic Circuits /},
	publisher = {McGraw-Hill,},
	year = {1974.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070404453/chopaconline-20}
}