@book{54208,
	author = {Pozar, David M.},
	title = {Microwave engineering /},
	publisher = {Wiley,},
	year = {2014.},
	address = {New Jersey :},
	edition = {4th ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/0470631554/chopaconline-20}
}