Roelof Akker,Winsum

03/06/1972 14/06/1972 01/08/1973 15/06/1974 03/08/1974 05/06/1975 07/06/1975 01/07/1975 02/07/1975 04/07/1975 15/07/1975 22/07/1975 31/07/1975 02/08/1975 09/08/1975 30/08/1975 13/09/1975