Petitgas, Pierre, Jacques Masse, Paul. Bourriau, Pierre Beillois, Daniel Delmas, Alain Herbland, Noussithe Koueta, Jean Maire Froidefond, and Maria Santos. 2006. “Hydro-Plankton Characteristics and Their Relationship With Sardine and Anchovy Distributions on the French Shelf of the Bay of Biscay”. Scientia Marina 70 (S1):161-72. https://doi.org/10.3989/scimar.2006.70s1161.