@book{24369,
	author = {Sturdy, John.},
	title = {Numbers /},
	publisher = {Cambridge University Press,},
	year = {c1976.},
	address = {Cambridge, [Eng.] :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0833/75039373-d.html}
}