11th international die casting exposition & congress : International die casting exposition & congress SDCE International Die Casting Exposition & Congress 10th SDCE International Die Casting Exposition and Congress 10th SDCE International Die Casting Exposition & Congress 9th SDCE International Die Casting Exposition and Congress : 11th international die casting exposition & congress : June 1-4, 1981. 11th international fuzzy systems association world congress 12th International Fuzzy Systems Association World Congress Eleventh international fuzzy systems association world congress