Rosales, Idoia Primary and diagenetic isotopic signals in fossils and hemipelagic carbonates: the Lower Jurassic of northern Spain - Oxford International Association of Sedimentologists October 2001 - pp. 1149-1169 ilus., tbls. Subjects--Topical Terms: BELEMNITESCARBONATOSDIAGENESISESTRATIGRAFÍAISOTOPOSJURASICO INFERIOR Subjects--Geographic Terms: ESPAÑA