@book{12667,
	author = {Klee, Victor and Wagon, Stan. and Wagon, Stan ; jt. auth.},
	title = {Old and new unsolved problems in plane geometry and number theory},
	publisher = {Mathematical Association of America},
	year = {1991},
	series = {The Dolciani Mathematical expositions},
	address = {Washington},
	note = {"Purchased under NBHM grant for the year 1996-97"}
}