Jan Jongsma,Opeinde

01/06/1973 02/06/1973 09/06/1973 16/06/1973 21/07/1973 11/08/1973 11/05/1974 25/05/1974 15/06/1974 02/07/1974 11/07/1974 20/07/1974 10/08/1974 24/05/1975 31/05/1975 07/06/1975 01/07/1975 09/08/1975 13/09/1975 05/06/1976 09/06/1976 06/06/1980