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WikiPedia: Franxi http://www.andyscouse.com/pages/francium.htm http://www.britannica.com/EBchecked/topic/216883 http://www.chemicalelements.com/elements/fr.html http://search.ebscohost.com/login.aspx?direct=true... http://books.google.com/books?id=Yhi5X7OwuGkC&pg=P... http://www.knowledgedoor.com/2/elements_handbook/o... http://www.thefreelibrary.com/Creating,+cooling,+t... http://content.time.com/time/magazine/article/0,91... http://www.webelements.com/francium/ http://www.webelements.com/francium/uses.html