UdG users
2002-07-26 Letter
2002-02-26 Letter
2001-04-03 Letter
1999-03-05 Letter
1999-01-22 Letter
1998-01-22 Letter
1997-07-27 Letter
1997-07-25 Letter
1997-07-14 Letter
1997-07-04 Letter
1997-05-15 Letter
1996-01-09 Letter
1996-01-01 Article
1995-10-15 Letter
1995-06-19 Letter
[1994-01-01] Letter
1993-04-01 Letter
1992-04-29 Letter
1992-04-22 Letter
1990-12-10 Letter
1990-11-13 Letter
1990-10-[01] Letter
1990-04-26 Letter
1989-09-22 Letter