March 6 1985
Qiwen, Zhang
December 19 1987
February 1 1988
Ware, George
June 30 1988
February 22 1988
April 25 1988
May 25 1988
November 4 1988
November 25 1988
November 30 1988
January 23 1989
March 12 1989
April 17 1989
May 16 1989
May 26 1989
January 27 1988
March 11 1988
July 19 1988
August 2 1988