The lithic tools of the La Esparragosa site (Chiclana de la Frontera, Cádiz, Spain, fourth millennium BC) : a methodological contribution to the study of lithic tools for the consumption of fish. - Clemente, Ignacio (Ancient nets and fishing gear : proceedings of the International Workshop on "Nets and Fishing Gear in Classical Antiquity: a first approach" : Cádiz, November 15-17, 2007., 2010)