@book{10974,
	author = {Verma, K.K.},
	title = {The elements of set theory /},
	publisher = {A.I.T.B.S Pub,},
	year = {2009.},
	address = {[New Delhi] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/chopaconline-20}
}