The Global Boundary Stratotype Section and Point for the base of the Danian Stage (Paleocene, Paleogene,"Tertiary", Cenozoic) at El Kef, Tunisia—Original definition and revision
The Global Boundary Stratotype Section and Point for the base of the Danian Stage (Paleocene, Paleogene,"Tertiary", Cenozoic) at El Kef, Tunisia—Original definition and revision