@book{192685,
	author = {Gardiner, A.},
	title = {Mathematical puzzling},
	publisher = {Dover},
	year = {1999.},
	address = {Mineola, N.Y.},
	note = {Originally published: Oxford ; New York : Oxford University Press, 1987.},
	url = {http://www.loc.gov/catdir/description/dover032/99045604.html}
}