Piet Hoekstra,Winschoten

28/05/1975 22/05/1976 02/06/1976 09/06/1976 12/06/1976 18/06/1976 22/06/1976 23/06/1976 24/06/1976 25/06/1976 06/07/1976 23/07/1976 26/07/1976 29/07/1976 14/08/1976 30/10/1976 28/05/1977 01/06/1977 02/06/1977 04/06/1977 10/06/1977 25/06/1977 29/06/1977 30/06/1977 04/07/1977 06/07/1977 22/07/1977 13/08/1977 19/08/1977 24/08/1977 25/08/1977 07/09/1977 08/09/1977 10/09/1977 27/06/1978 19/07/1978 19/08/1978 22/08/1978 26/08/1978 16/12/1978