Dr. Manfred Hammer,
 
University of Twente,
Faculty EEMCS,
P.O. Box 217,
7500 AE, Enschede,
The Netherlands;
 
Phone: +31 (0)53 489 3448, +31 (0)53 489 4768
Fax: +31 (0)53 489 3996
 
E-mail: info@owtnm.eu