@book{30949,
	author = {Butterworth, Rod R. and Flodin, Mickey.},
	title = {Signing made easy:},
	publisher = {Perigee Books,},
	year = {c1989.},
	address = {New York, NY :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1206/88023878-b.html}
}