@book{516,
	author = {Close, K.},
	title = {Experimental Electronics for Students /},
	publisher = {Springer,},
	year = {1979.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0412147602/chopaconline-20}
}