@book{12995,
	author = {South, David W. and Ewert, Richard H.},
	title = {Encyclopedic dictionary of gears and gearing /},
	publisher = {McGraw-Hill,},
	year = {c1995.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/toc/mh022/94010985.html}
}