Vergnaudgrazzini C, Caralp M, Faugeres JC, Gonthier E, Grousset F, Pujol C, Saliege JF (1989). Mediterranean outflow through the strait of Gibraltar since 18000 years BP. Oceanologica Acta. 12 (4). 305-324. https://archimer.ifremer.fr/doc/00103/21433/