René Vos,Assen

30/05/1981 02/09/1981 15/09/1981 15/05/1982 04/06/1982 05/06/1982 07/08/1982 30/10/1982 29/10/1983 25/04/1984 07/07/1984 27/10/1984 30/05/1985 31/05/1985 31/05/1985 26/10/1985 29/04/1986 02/05/1986 07/06/1986 25/10/1986