Roelf Akker,Winsum

17/09/1975 23/06/1976 25/06/1976 06/07/1976 23/07/1976 29/07/1976 30/07/1976 31/07/1976 28/05/1977 30/05/1977 01/06/1977 06/07/1977 12/07/1977 30/07/1977 19/08/1977 25/08/1977 07/09/1977