@book{13758,
	author = {Pundir, Sudhir K.   and Pundir, Rimple  },
	title = {Pragati's fuzzy sets and their applications:},
	publisher = {Pragati Prakashan},
	year = {2008},
	series = { },
	address = {Meerut},
	edition = {2nd rev. ed. },
	note = {Includes bibliographical & index}
}