• [Wiki] http://en.wikipedia.org/wiki/Hynobius_tokyoensis.
• [diving] http://diving.tank.jp/sports/fish/etc/a2_ryosei/y02_tokyosansyouoo.htm.
• [amphibiaweb] https://amphibiaweb.org/cgi/amphib_query?rel-common_name=like&where-scientific_name=Hynobius+tokyoensis.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [KusaUeda2006] Kusano, T., Ueda, T., and Nakagawa, H. (2006). Body size and age structure of breeding populations of the salamander, Hynobius tokyoensis (Caudata: Hynobiidae). Current Herpetology, 25(2):71--78. doi:10.3105/1345-5834(2006)25[71:BSAASO]2.0.CO;2.
• [Spar2014] Sparreboom, M. (2014). Salamanders of the Old World. KNNV publishing, Zeist.