Dear Michael, I would appreciate if you could include the information on new books on rough sets (and a related one) which have just appeared in the series "Studies in Fuzziness and Soft Computing" I am editing for the Springer-Verlag Group. More books on rough sets will be coming out in near future. Best regards Janusz Vol. 20 J.N. Mordeson and P.S. Nair "Fuzzy Mathematics: An Introduction for Engineers and Scientists" 1998 258 pp. ISBN 3-7908-1121-1 Vol. 19 L. Polkowski and A. Skowron (Eds.) "Rough Sets in Knowledge Discovery 2: Applications, Case Studies and Software Systems" 1998 601 pp. ISBN 3-7908-1120-3 Vol. 18 L. Polkowski and A. Skowron (Eds.) "Rough Sets in Knowledge Discovery 1: Methodology and Applications" 1998 576 pp. ISBN 3-7908-1119-X The home page of the series is: http://www.springer.de/cgi-bin/search_book.pl?link=/service/svcat/deutsch2/series/2941.html ************************************************************* * Prof. Janusz Kacprzyk Systems Research Institute * * Deputy Director for Research Polish Academy of Sciences * * Email: kacprzyk@ibspan.waw.pl ul. Newelska 6 * * Phone: + (48) (22) 36 44 14 01-447 Warsaw * * 36 81 50 * * Fax: + (48) (22) 37 27 72 Poland * *************************************************************