@book{12859,
	author = {Slurzberg, Morris. and Osterheld, William.},
	title = {Essentials of Radio Electronics /},
	publisher = {McGraw-Hill Inc.,US,},
	year = {1961.},
	address = {[S.l.] :},
	edition = {2nd ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0070583080/chopaconline-20}
}