@book{175615,
	author = {Edwards, T. C.},
	title = {Foundations for microstrip circuit design /},
	publisher = {Wiley,},
	year = {1991.},
	address = {Chichester, West Sussex, England ;},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0607/91013815-d.html}
}