LOWER TO MIDDLE TOARCIAN FROM THE COIMBRA REGION (LUSITANIAN BASIN, PORTUGAL): SEQUENCE STRATIGRAPHY, CALCAREOUS NANNOFOSSILS AND STABLE-ISOTOPE EVOLUTION. RIPS [Internet]. 2004 Mar. 31 [cited 2026 Jul. 27];110(1). Available from: https://test-ojs-unimi-it.archicoop.it/index.php/RIPS/article/view/6276