Fuzzy set theory : basic concepts, techniques, and bibliography / by R. Lowen. Lowen, R. (Robert) Fuzzy sets. QA248.5 .L68 1996 511.322 20 LOF Includes bibliographical references (p. 241-404) and index. Dordrecht ; Boston : Kluwer Academic Publishers, c1996. c1996. 1996 Text xiv, 408 p. : http://www.loc.gov/catdir/enhancements/fy0822/96015901-d.html http://www.loc.gov/catdir/enhancements/fy0822/96015901-t.html eng