Pascual, A.; Bouffard, J.; Ruiz, S.; Buongiorno Nardelli, B.; Vidal-Vijande, E.; Escudier, R.; Sayol, J. M.; Orfila, A. Recent Improvements in Mesoscale Characterization of the Western Mediterranean Sea: Synergy Between Satellite Altimetry and Other Observational Approaches. Sci. mar. 2013, 77, 19-36.