Shyh-Huei Chen Fang, S.-C., Chen, S.-H., Wu, P.-T., Huang, M., & Nuttle, H. (1999). A fuzzy expert system for a wave soldering process. Proceedings of the 8th International Fuzzy Systems Association World Congress. August 1999, (1999 Aug.). Piscataway, N.J.: IEEE. Fang, S.-C., Wang, D.-W., Chen, S.-H., & Nuttle, H. (1999). A new fuzzy due-date bargainer with soft computing. Proceedings of the 8th International Fuzzy Systems Association World Congress. August 1999, (1999 Aug.). Piscataway, N.J.: IEEE.