08/1988-08/1997
08/1991-08/1994
08/1990-08/1997
08/1988-09/1999
10/1989-03/1993
08/1992-08/1997
03/1993-04/1995
(8808- )2Y..YN85..ARL ; (9108- )2Y,3Y,4Y..