Please replace "(AT)" with "@" in the e-mail address.
Jetty Kleijn
Leiden University
Leiden Institute of Advanced Computer Science
Niels Bohrweg 1
2333 CA Leiden
The Netherlands
Phone: +31 71 5277064
Fax: +31 71 5276985
E-mail: kleijn (AT) liacs.nl
Web: http://www.liacs.nl/~kleijn/