Eric Ploeg,Assen
06/05/1978
20/05/1978
02/06/1978
08/06/1979
14/08/1979
05/09/1979
27/10/1979
31/05/1980
19/06/1980
03/09/1980
25/10/1980
25/06/1981
15/09/1981
29/04/1985
17/08/1985
07/09/1985
04/06/1986
25/10/1986