Calvo, Tomasa (ed) Aggregation operators: New trends and applications - Heidelberg Physica-Verlag 2002 - xiv; 352p - Studies in fuzziness and soft computing . ISBN: 3-7908-1468-7 Subjects--Topical Terms: Fuzzy logicSoft computingAggregation operatorsMathematics Dewey Class. No.: 515.724/CAL