• [Wiki] http://en.wikipedia.org/wiki/Phycis.
• [fishbase] http://www.fishbase.se/summary/Phycis-blennoides.html.
• [CasaPine2000] Casas, J. M. and Pineiro, C. (2000). Growth and age estimation of greater fork-beard (Phycis blennoides brünnich, 1768) in the north and northwest of the Iberian Peninsula (ICES Division VIIIc and IXa). Fisheries Research, 47:19--25.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.