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other assumptions

Revisions (5)

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July 21, 2008 at 11:45:37 am by florayang331
  (Current revision)

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July 21, 2008 at 11:33:51 am by florayang331
   

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July 21, 2008 at 11:32:55 am by florayang331
   

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July 21, 2008 at 11:31:52 am by florayang331
   

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July 21, 2008 at 9:59:17 am by florayang331