@book{561845,
	author = {Sutton, George P.},
	title = {Rocket propulsion elements 7th /},
	publisher = {Wiley,},
	year = {2001},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0470080248/chopaconline-2}
}