Here are my contacts:

   Luis Torgo
   Faculty of Sciences           Phone : (+351) 220 402 975
   University of Porto           Fax   : (+351) 220 402 950
   R. do Campo Alegre 1021/1055  email : ltorgo (at) fc (dot) up (dot) pt
   4169-007 PORTO - PORTUGAL     WWW   : http://www.dcc.fc.up.pt/~ltorgo

My best regards,
Luis Torgo