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Hardie, R.P.; R. K. Gaye. „Physics by Aristotle”. Arhivirano iz originala na datum 2011-01-06. Pristupljeno 15. srpnja 2008.
Johnston, Ian (1999). „Section Three: The Origins of Evolutionary Theory”. . . . And Still We Evolve: A Handbook on the History of Modern Science. Liberal Studies Department, Malaspina University College. Arhivirano iz originala na datum 2007-08-23. Pristupljeno 11. kolovoza 2007.
Miller, James (8. 01. 2008.). „Daoism and Nature” (PDF). Royal Asiatic Society. Arhivirano iz originala na datum 2008-09-10. Pristupljeno 15. srpnja 2008.