@book{170502,
	author = {Downie, N. A. and ebrary, Inc.},
	title = {Industrial gases},
	publisher = {Blackie Academic & Professional,},
	year = {1997.},
	address = {London ;},
	edition = {1st ed.},
	url = {http://site.ebrary.com/lib/rucke/Doc?id=10052602}
}