Sipwim Postma,Buitenpost

08/05/1986 17/05/1986 04/06/1986 14/06/1986 26/07/1986 27/09/1986 22/06/1987 25/06/1987 22/08/1987 04/09/1987 18/06/1988 05/07/1988 05/07/1988 05/07/1988 27/06/1989 28/06/1989 29/07/1989 07/08/1989 29/06/1990 04/08/1990 04/08/1990 04/08/1990 09/08/1990 01/09/1990 20/06/1992