@book{2997,
	author = {Uttley, Matthew.},
	title = {Westland and the British helicopter industry, 1945-1960 :},
	publisher = {Frank Cass,},
	year = {2001.},
	address = {London ;},
	url = {http://www.loc.gov/catdir/toc/fy02/2001028372.html}
}