@book{2591,
	author = {Terman, Frederick Emmons. and Assisted by Helliwell, Robert Arthur.},
	title = {Electronic and radio engineering /},
	publisher = {McGraw-Hill,},
	year = {c1955.},
	address = {New York:},
	edition = {4th ed.},
	note = {Includes bibliographical reference and index.}
}