• [Wiki] http://en.wikipedia.org/wiki/Bathyraja.
• [fishbase] https://www.fishbase.se/summary/Bathyraja-parmifera.html.
• [Eber2005] Ebert, D. A. (2005). Reproductive biology of skates, Bathyraja (Ishiyama), along the eastern Bering Sea continental slope. Journal of Fish Biology, 66:618--649. doi:10.1111/j.1095-8649.2005.00628.x.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [MattGund2007] Matta, M. E. and Gunderson, D. R. (2007). Age, growth, maturity, and mortality of the Alaska skate, Bathyraja parmifera, in the eastern Bering Sea. Environmental Biology of Fishes, 80(2-3):309--323. doi:10.1007/s10641-007-9223-8.