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"Dalton's Atomic Theory." Dalton's Atomic Theory. N.p., n.d. Web. 21 Nov. 2012. <http://dl.clackamas.cc.or.us/ch104-04/dalton's.htm>.
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"John Dalton." John Dalton. N.p., n.d. Web. 25 Nov. 2012. <http://www.robinsonlibrary.com/science/chemistry/biography/dalton.htm>.