| Filed On | Filing |
|---|---|
| 11 Dec 2013 | PRE14A |
| 09 Nov 2012 | PRELIM PROXY STATEMENT |
| 13 Aug 2007 | PRELIMINARY PROXY STATEMENT |
| 01 Mar 2002 | PRELIMINARY PROXY MATERIALS FOR DIFG |
| 24 Jul 2000 | PRELIMINARY PROXY MATERIALS FOR DIFG |
| 09 Jun 2000 | PRELIMINARY PROXY MATERIALS FOR DIFG |
| 26 May 2000 | PRELIM PROXY MATERIALS FOR DIFG |
| 30 Sep 1999 | PRELIM PROXY MATERIAL FOR DIFG |
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