• [Wiki] http://en.wikipedia.org/wiki/Astropecten_irregularis.
• [marlin] http://www.marlin.ac.uk/biotic/browse.php?sp=6097.
• [sealifebase] http://www.sealifebase.org/summary/Astropecten-irregularis.html.
• [FreeRich2001] Freemana, S. M., Richardson, C. A., and Seed, R. (2001). Seasonal abundance, spatial distribution, spawning and growth of Astropecten irregularis (Echinodermata: Asteroidea). Estuarine, Coastal and Shelf Science, 53:39--49.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [RobiGree2010] Robinson, L. A., Greenstreet, S. P. R., Reiss, H., Callaway, R., Craeymeersch, J., de Boois, I., Degraer, S., Ehrich, S., Fraser, H. M., Goffin, A., Kroncke, I., Jorgenson, L. L., Robertson, M. R., and Lancaster, J. (2010). Lengthweight relationships of 216 North Sea benthic invertebrates and fish. Journal of the Marine Biological Association of the United Kingdom, 90:95--104.