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I am putting refimprove tag back into the page because all the citations are from a single author. I'm not sure if there is an actual Wikipedia "ruling" on this, but generally one would want to see multiple authors to form a consensus of the value of a page. Perhaps notable would be a better tag, but I do think the subject is notable, just needs more citations from literature. Zfeinst (talk) 16:17, 15 February 2013 (UTC)[reply]