@book{5391,
	author = {Croom, Fred H.},
	title = {Principles of topology /},
	publisher = {Cengage Learning Asia,},
	year = {2002.},
	address = {[S.l.] :},
	edition = {1st ed.},
	url = {http://www.amazon.com/exec/obidos/ASIN/9812432884/chopaconline-20}
}