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https://web.archive.org/web/20120915010641/http://www.chem.uic.edu/marek/marek_downloads/documents/Mnemonics%20for%20chem%203%202010.ppt.pdf Mnemonics

(tigger.uic.edu/depts/hist/hull-maxwell/). University of Illinois at Chicago. Retrieved April 7, 2016. CS1 maint: Multiple names: authors list (link)