1983/1; 1984/2-4; 1985/1-4; 1986/1-3; 1987/1-3; 1988/1,2; 1989/2, 4; 1990/2-4; 1991/1; 1993/2,3; 1994/1-4; 1995/1-4; 1996/1-3