OLSON KURBMASTER 1978 (1) (RSS) 1979 (1) (RSS) 1980 (1) (RSS) 1981 (1) (RSS) 1983 (3) (RSS) 1984 (2) (RSS) 1985 (1) (RSS) 1986 (2) (RSS) 1987 (3) (RSS) 1989 (1) (RSS) 1990 (1) (RSS)