@book{6526,
	author = {Vetter, Gerhard.},
	title = {Leak-free pumps and compressors /},
	publisher = {Elsevier Advanced Technology,},
	year = {1995.},
	address = {Oxford, UK :},
	edition = {1st ed.},
	url = {http://catdir.loc.gov/catdir/enhancements/fy0601/96116438-d.html}
}