Date Span
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5 Oct 1990
1
5 Sep-30 Sep 1991
1
8 Nov 1988
1
9 Apr 1987
1
9 Dec 1991-16 Mar 1992
1
9 Jan 1991
1
Feb 1977-Apr 1979
1
Feb 1977-Nov 1980
1
Feb 1988-Mar 1990
1
Jan 1978-Apr 1978
1
Jan 1980-Mar 1987
1
Jul 1981-Jan 1983
1
Jun 1983-Jun 1984
1
Mar 1984-Feb 1993
1
May 1984
1
May 1988-Jan 1991
1
Nov 1984-Jun 1986
1
Nov 1988-Nov 1990
1
Oct-Nov 1983
1
Sep-Dec 1991
1
Sep-Oct 1986
1
[1987]
1
[1991]
1
[Apr 1980-Dec 1990]
1
[Feb-Mar 1988]
1