Hansen, 1977
From dinoflaj2
Hansen, J.M., 1977: Dinoflagellate stratigraphy and echinoid distribution in Upper Maastrichtian and Danian deposits from Denmark. Bulletin of the Geological Society of Denmark, v.26, p.1-26.
Hansen, J.M., 1977: Dinoflagellate stratigraphy and echinoid distribution in Upper Maastrichtian and Danian deposits from Denmark. Bulletin of the Geological Society of Denmark, v.26, p.1-26.
