@article{discovery10204117,
          volume = {3},
           pages = {127--136},
           title = {The occurrence of calcareous nannofossils in the Triassic/Jurassic boundary interval},
            note = {This version is the version of record. For information on re-use, please refer to the publisher's terms and conditions.},
            year = {1990},
         journal = {Les Cahiers de l'Universit{\'e} Catholique de Lyon},
             url = {https://www.ucly.fr/recherche/editions/collection-science-histoire-philosophie/},
          author = {Bown, P and Lord, AR}
}