Do a literature survey to identify the first paper on 3 topics of the following topics a. Stability of fuzzy logic controllers b. Fuzzy relations c. Fuzzy functions d. Fuzzy graphs e. Fuzzy algorithms f.  Fuzzy clustering Solution a)Stability of fuzzy logic controllers: Title: An Experiment-based Comparative Study of Fuzzy Logic Control Published in: American Control Conference, 1989 Date of Conference: 21-23 June 1989 Author(s) Berenji, H.R. NASA Ames Research Center, Mail Stop: 244-17, Moffett Field, CA 94035; Sterling Software Yung-Yaw Chen ; Lee, Chuen-Chein ; Murugesan, S. ; Jang, Jyh-Shing b) Fuzzy relations Title: On the relevance of fuzzy sets for operations research author : A. Kaufmann year: 1986 e) Fuzzy algorithms Title: An introduction to fuzzy systems by: date: 1998 .