Dirk Steenstra,Raard

20/09/1966 25/03/1967 27/03/1967 01/04/1967 01/05/1967 22/06/1967 26/08/1967 07/06/1968 28/09/1968 05/04/1969 30/04/1969 18/06/1969 28/06/1969 02/08/1969 16/08/1969 27/06/1970 15/08/1970 01/05/1971 31/05/1971 21/07/1971 15/04/1972