Martínez-Pita, I., J. M. Guerra-García, A. I. Sánchez-España, and F. J. García. “Observations on the Ontogenetic and Intraspecific Changes in the Radula of Polycera Aurantiomarginata García and Bobo, 1984 (Gastropoda Opisthobranchia ) from Southern Spain”. Scientia Marina, vol. 70, no. 2, June 2006, pp. 227-34, doi:10.3989/scimar.2006.70n2227.