@book{32053,
	author = {Maas, Stephen A. and Maas, Stephen A.},
	title = {Nonlinear microwave and RF circuits /},
	publisher = {Artech House,},
	year = {c2003.},
	address = {Boston, MA :},
	edition = {2nd ed.},
	note = {Rev. and updated ed. of: Nonlinear microwave circuits, 1988 and reprinted in 1997.}
}