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Should this be made into a disambiguation page? Michael Hardy (talk) 22:20, 17 January 2009 (UTC)
Current edit
editI've removed some repetition and reordered the paragraphs to make a logical sequence. However, the article does need more attention to fully explain this concept. It also needs referencing.Monstrelet (talk) 09:30, 9 April 2011 (UTC)