@book{121168,
	author = {AIAA Communications Satellite Systems Conference and Feldman, Nathaniel E., and ebrary, Inc.},
	title = {Communication satellites for the 70's},
	publisher = {MIT Press,},
	year = {[1971]},
	series = {Progress in astronautics and aeronautics ;},
	address = {Cambridge :},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10516635}
}