Dr. W.D. van Suijlekom
IMAPP
Faculty of Science
Radboud University Nijmegen
Heyendaalseweg 135
6525 AJ Nijmegen
The Netherlands
Room: HG03.734
Telephone: +31 24 365 2873
Fax: +31 24 355 3450
e-mail: waltervs at math dot ru dot nl