SEC Filings

Filing date	Form	Description	View
Feb 14, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000930413-12-000838.pdf 0000930413-12-000838.xls
Feb 14, 2008	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000950162-08-000108.pdf 0000950162-08-000108.xls
Jul 10, 1996	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000315066-96-001790.pdf
Jul 3, 2008	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000891092-08-003415.pdf
Feb 11, 1994	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000728772-94-000014.pdf
Feb 10, 2009	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000728083-09-000046.pdf
Jan 7, 2011	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0001140361-11-001895.pdf 0001140361-11-001895.xls
Feb 14, 2012	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000315066-12-003126.pdf
Feb 13, 2008	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000950124-08-000612.pdf 0000950124-08-000612.xls
Feb 14, 1996	SC 13G	A statement of beneficial ownership of common stock by certain persons	View HTML 0000080255-96-000184.pdf

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