• [Wiki] http://en.wikipedia.org/wiki/Epidalea_calamita.
• [amphibiaweb] https://amphibiaweb.org/cgi/amphib_query?rel-common_name=like&where-scientific_name=Epidalea+calamita.
• [EoL] https://eol.org/pages/1019146/data.
• [BoomArnt1985] Boomsma, J. J. and Arntzen, J. W. (1985). Abundance, growth and feeding of natterjack toads (Bufo calamita) in a 4-year-old artificial habitat. Journal of Applied Ecology, 22(2):395--405.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.