Dalton, J. (1808). A New System of Chemical Philosophy, volume 1, Manchester. Excerpt (Wayback Machine saytida 2021-10-06 sanasida arxivlangan). Accessed 2008-05-08.
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Dalton, J. (1808). A New System of Chemical Philosophy, volume 1, Manchester. Excerpt (Wayback Machine saytida 2021-10-06 sanasida arxivlangan). Accessed 2008-05-08.