Heikki Hammainen

Helsinki University of Technology, Finland

E-mail:

heikki.hammainentkk.fi

Telephone:

+358-9-451 6144

Fax:

+358-9-451 2474

Dr. Dimitris Varoutas

Faculty of Informatics and Telecommunications

University of Athens, Greece

E-mail:

arkasdi.uoa.gr

Telephone:

+30-210-727 5318

Fax:

+30-210-727 5214