E. Anfuso, B. Debelius, C. G. Castro, R. Ponce, J. M. Forja, and L. M. Lubian, “Seasonal evolution of cholorophyll-a and cyanobacteria (Prochlorococcus and Synechococcus) on the northeast continental shelf of the Gulf of Cádiz: relation to thermohaline and nutrients fields”, Sci. mar., vol. 77, no. S1, pp. 25–36, Mar. 2013.