Raimundo, J., Pereira, P., Vale, C., & Caetano, M. (2005). Fe, Zn, Cu and Cd concentrations in the digestive gland and muscle tissues of Octopus vulgaris and Sepia officinalis from two coastal areas in Portugal. Iniversidad Autónoma de Baja California.

Raimundo, J., P. Pereira, C. Vale, och M. Caetano. Fe, Zn, Cu and Cd Concentrations in the Digestive Gland and Muscle Tissues of Octopus Vulgaris and Sepia Officinalis From Two Coastal Areas in Portugal. Iniversidad Autónoma de Baja California, 2005.

Raimundo, J., P. Pereira, C. Vale, och M. Caetano. Fe, Zn, Cu and Cd Concentrations in the Digestive Gland and Muscle Tissues of Octopus Vulgaris and Sepia Officinalis From Two Coastal Areas in Portugal. Iniversidad Autónoma de Baja California, 2005.