@book{51489,
	author = {Dybdal, Robert},
	title = {Communication satellite antennas :},
	publisher = {McGraw-Hill,},
	year = {c2009},
	series = {Communication engineering},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/fy1002/2009017847.html}
}