@book{12911,
	author = {Terman, Frederick Emmons.},
	title = {Electronic and radio engineering /},
	publisher = {McGraw-Hill,},
	year = {1955.},
	series = {Mcgraw-hill electrical and electronic engineering series.},
	address = {[S.l.] :},
	edition = {4th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/B0006AU4KK/chopaconline-20}
}