Fuzzy Sets and Systems 22 (1987) 189-201 North-Holland

BULLETIN

1. Editorial

This issue of the bulletin focuses on research reports from around the world. The scope and depth of the researches mentioned shows that the subject is very much alive, ranging as they do from pure mathematics through decision theory, engineering, linguistics, computer science and applications.

As usual there are a number of conference announcements. While we are always grateful for contributions to the Bulletin and

appreciative of the efforts of contributors, the editor would like to point out that the practice of sending contributions by registered post, which some contributors have adopted recently, causes considerable inconvenience. One imagines that this stratagem has been adopted to circumvent seasonal postal delays, but we must say that such delays are insignificant compared to the editorial delay between receipt and publication. Furthermore, the need to make a long and time consuming journey to collect such items means that they may not be collected for many weeks or even months. The only proper use of registered mail is the dispatch of money or valuables.

In future we cannot guarantee that contributions sent by registered post will be acknowledged or published, and we ask that correspondents adopt a more parsimonious approach to their use of the postal services.

lan Graham December 1986

2. Communication by Professor Madan M. Gupta and others

Dr. S.K. Pal has requested to issue the following statement: The following publication:

B.N. Chatterjee, "Fuzzy set theoretic approach for scene analysis". In: Approximate Reasoning in Expert Systems (M.M. Gupta, A. Kandel, W. Bandler and J.B. Kiszka, Eds.). North-Holland, Amsterdam, 1985, pp. 637-654,

is neither a review paper nor an original research contribution. This paper presents only the algorithms developed by S.K. Pal and R.A. King [1-4] without citing their references at appropriate places in the text and without