Ard Alderts,Heerenveen

27/06/1984 23/08/1986 29/08/1986 29/05/1987 03/06/1987 06/06/1987 08/06/1987 08/06/1987 10/07/1987 22/08/1987 13/05/1988 17/05/1989 17/05/1989 17/05/1989 04/06/1990 04/06/1990 09/06/1990 29/06/1990