Anfuso, E.; Debelius, B.; Castro, C. G.; Ponce, R.; Forja, J. M.; Lubian, L. M. 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. 2013, 77, 25-36.