Bibliographic Detail
Van Heck, S.E. & Prins, B., 1987
Reference:
Van Heck, S.E. & Prins, B. (1987). A Refined Nannoplankton Zonation for the Danian of the Central North Sea. Abhandlungen der Geologischen Bundesanstalt in Wien 39: 285-303, 20 figures, 1 plate.
Publication Date:
March 1987