HELDT, H. “Le Thon Rouge (Thunnus Thynnus L.): Progrès Des Recherches Sur La Question”. INSTM Bulletin : Marine and Freshwater Sciences, no. 9 (April 22, 1928): 7–31. Accessed September 14, 2025. https://www.instm-bulletin.tn/index.php/bulletin/article/view/1629.