1. Similarity relations and fuzzy orderings;Zadeh;Inf. Sci.,1971
2. Pattern classification based on fuzzy relations;Tamura;IEEE Trans. SMC,1971
3. Fuzzy chains;Kandel;IEEE Trans. SMC,1971
4. A graph theoretic analysis of pattern classification via Tamura's fuzzy relation;Dunn;IEEE Trans. SMC,1974
5. Pattern Classification and Scene Analysis;Duda,1973