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SC 13G

A statement of beneficial ownership of common stock by certain persons

0000728618-97-000083.pdf 0000728618-97-000083.rtf View HTML
SC 13G

A statement of beneficial ownership of common stock by certain persons

0000732812-97-000220.pdf 0000732812-97-000220.rtf View HTML
SC 13G/A

An amendment to the SC 13G filing

0000950129-97-000575.pdf 0000950129-97-000575.rtf View HTML
SC 13G

A statement of beneficial ownership of common stock by certain persons

0000734072-97-000148.pdf 0000734072-97-000148.rtf View HTML
SC 13G

A statement of beneficial ownership of common stock by certain persons

0000315066-96-002176.pdf 0000315066-96-002176.rtf View HTML
10-Q

Quarterly report which provides a continuing view of a company's financial position

0000097210-96-000008.pdf 0000097210-96-000008.rtf 0000097210-96-000008.xls View HTML
10-Q

Quarterly report which provides a continuing view of a company's financial position

0000097210-96-000006.pdf 0000097210-96-000006.rtf 0000097210-96-000006.xls View HTML
S-8

Securities offered to employees pursuant to employee benefit plans

0000097210-96-000004.pdf 0000097210-96-000004.rtf 0000097210-96-000004.xls View HTML
10-Q

Quarterly report which provides a continuing view of a company's financial position

0000097210-96-000002.pdf 0000097210-96-000002.rtf 0000097210-96-000002.xls View HTML
DEF 14A

Official notification to shareholders of matters to be brought to a vote ("Proxy")

0000950135-96-001757.pdf 0000950135-96-001757.rtf 0000950135-96-001757.xls View HTML

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