June 12, 1981
January 01, 1981
June 01, 1980
October 01, 1980
May 05, 1981
September 08, 1979
October 04, 1980
July 16, 1980
November 20, 1982
April 01, 1979
March 01, 1979
December 01, 1981
July 01, 1980
January 01, 1982
June 01, 1981
December 11, 1981
February 01, 1981
December 01, 1978
February 01, 1980
August 01, 1981
January 01, 1981
March 01, 1979
August 01, 1980