Gradstein, Félix M. A Triassic, Jurassic and Cretaceous time scale - Tulsa, Oklahoma SEPM (Society for Sedimentary Geology) 1995 - pp. 95-126 ilus., tbls. - SEPM Special Publication n.54 . Subjects--Topical Terms: BIOZONACRETACEOCRONOESTRATIGRAFIAESTRATIGRAFÍAJURASICOLIMITE ESTRATIGRAFICOPALEOMAGNETISMOTRIASICO Universal Decimal Class. No.: 551.7/B39|2