Signa, G.; Cartes, J. E.; Solé, M.; Serrano, A.; Sànchez, F. (2008). “Trophic ecology of the swimming crab Polybius henslowii Leach, 1820 in Galician and Cantabrian Seas: Influences of natural variability and the Prestige oil spill”. Continental Shelf Research. 28: 2659-2667. doi:10.1016/j.csr.2008.08.008.