Pina, Teresa, Eduardo Esteves, and José Pedro Andrade. “Gross and Histological Observations of Ovarian Development in Twaite Shad, Alosa Fallax Fallax, from Rivers Mira and Guadiana (Portugal)”. Scientia Marina 67, no. 3 (September 30, 2003): 313–322. Accessed March 29, 2024. https://scientiamarina.revistas.csic.es/index.php/scientiamarina/article/view/481.