@book{5329,
	author = {Janko, Wolfgang H. and Joint IFSA-EC and EURO-WGFS Workshop on Progress in Fuzzy Sets in Europe},
	title = {Progress in fuzzy sets and systems /},
	publisher = {Kluwer Academic Publishers,},
	year = {c1990.},
	address = {Dordrecht ;},
	note = {"Proceedings of the Second Joint IFSA-EC and EURO-WGFS Workshop on Progress in Fuzzy Sets in Europe held on April 6-8, 1989, in Vienna, Austria"--P. ix.}
}