Petitgas, P., J. Masse, P. Bourriau, P. Beillois, D. Delmas, A. Herbland, N. Koueta, J. M. Froidefond, and M. Santos. “Hydro-Plankton Characteristics and Their Relationship With Sardine and Anchovy Distributions on the French Shelf of the Bay of Biscay”. Scientia Marina, vol. 70, no. S1, June 2006, pp. 161-72, doi:10.3989/scimar.2006.70s1161.