Reference
Ines Goncalves, Joao Sendao, Teresa Borges, J. Borges (2002): Octopus vulgaris (Cephalopoda: Octopodidae) Gametogenesis: A Histological Approach to the Verification of the Macroscopic Maturity Scales – Abhandlungen der Geologischen Bundesanstalt in Wien – 57: 79 - 88.