@book{27728,
	author = {Barr, Stephen.},
	title = {Experiments in topology /},
	publisher = {Dover Publications,},
	year = {1989, c1964.},
	address = {New York :},
	note = {Reprint. Originally published: New York : Crowell, 1964.},
	url = {http://www.loc.gov/catdir/description/dover032/88031661.html}
}