@book{138529,
	author = {Raven, Anthony David,},
	title = {Profit improvement by value analysis, value engineering and purchase price analysis},
	publisher = {Cassell,},
	year = {1971.},
	series = {Cassell management studies},
	address = {London,},
	url = {http://www.loc.gov/catdir/toc/fy0712/78879747.html}
}