December 31, 2011 Form 10-Q XBRL Files
1. EX-101 INSTANCE DOCUMENT: EX-101.INS
2. EX-101 SCHEMA DOCUMENT: EX-101.SCH
3. EX-101 CALCULATION LINKBASE DOCUMENT: EX-101.CAL
4. EX-101 LABELS LINKBASE DOCUMENT: EX-101.LAB
5. EX-101 PRESENTATION LINKBASE DOCUMENT: EX-101.PRE
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