@book{40589,
	author = {Liepmann, H. W. and Roshko, A.},
	title = {Elements of gas dynamics /},
	publisher = {Dover Publications,},
	year = {2007},
	address = {Mineola, N.Y. :},
	note = {Originally published: New York : Wiley, c1957, in series: Galcit aeronautical series}
}