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May 12, 2010 at 15:24 history edited Gerald Edgar CC BY-SA 2.5
edited body; added 13 characters in body
May 12, 2010 at 15:21 comment added Gerald Edgar self-promotional plug ... math.ohio-state.edu/~edgar/books/mtfg.html
May 12, 2010 at 15:19 history answered Gerald Edgar CC BY-SA 2.5