21
International Fuzzy Systems Association.
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1981
22
International Fuzzy Systems Association.
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1982
23
International Fuzzy Systems Association.
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1982
24
International Fuzzy Systems Association.
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1983
25
International Fuzzy Systems Association.
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1983
26
International Fuzzy Systems Association.
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1983
27
International Fuzzy Systems Association.
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1984
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International Fuzzy Systems Association.
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1984
29
International Fuzzy Systems Association.
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1984
30
International Fuzzy Systems Association.
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1985