February 16, 1987
September 1, 1986
June 30, 1986
February 3, 1986
July 1, 1985
March 11, 1985
May 28, 1984
April 23, 1984
January 30, 1984
October 30, 1983
August 8, 1983
October 25, 1982
July 12, 1982
November 11, 1981
May 2, 1981
October 4, 1980
January 26, 1980
December 22, 1979