Jan van Berkum,Heerenveen
03/08/1991
05/08/1991
21/08/1991
24/08/1991
29/08/1991
31/08/1991
14/09/1991
18/09/1991
27/04/1993
11/05/1993
12/05/1993
25/05/1993
07/06/1993
07/06/1993
08/06/1993
09/06/1993
10/06/1993
29/06/1993
23/07/1993
24/07/1993