• [Wiki] http://en.wikipedia.org/wiki/Lithobates_clamitans.
• [amphibiaweb] http://amphibiaweb.org/cgi/amphib_query?rel-common_name=like&where-scientific_name=Rana+clamitans.
• [ADW] https://animaldiversity.org/accounts/Lithobates_clamitans/.
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• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [Mart1956] Martof, B. (1956). Growth and development of the green frog, Rana clamitans, under natural conditions. American Midland Naturalist, 55(1):101--117.