@book{140623,
	author = {Barnes, Ralph Mosser.},
	title = {Motion and time study :},
	publisher = {Wiley,},
	year = {c1980.},
	address = {New York :},
	edition = {7th ed.},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/description/wiley033/80000173.html}
}