Prof. Dr. Bernd Freisleben
Philipps-Universität Marburg
Department of Mathematics and Computer Science, University of Marburg
Hans-Meerwein-Str. 9
35032 Marburg

Phone: +49 6421 - 28 21 568
Fax: 06421-2821573
E-mail: freisleb@informatik.uni-marburg.de

Dr. Afef Mdhaffar
Digital Research Center of Sfax
Tunis road 10 km Technopole of Sfax, Sakiet Ezzit, Ons city
3021 Sfax - Tunisia

Phone: (+216) 74 863 042 - Poste 1241
Fax: (+216) 74 863 041
E-mail: afef.mdhaffar@redcad.org