References
- Brideaux , W. W. 1975 . Status of Mesozoic and Tertiary dinoflagellate studies in the Canadian Arctic . American Association of Stratigraphic Palynologists, Contributions , 4 : 15 – 28 .
- Hansen , J. M. 1977 . Dinoflagellate stratigraphy and echinoid distribution in Upper Maastrichtian and Danian deposits from Denmark . Bulletin of the Geological Society of Denmark , 26 : 1 – 26 .
- Hansen , J. M. 1979a . A new dinoflagellate zone at the Maastrichtian/Danian boundary in Denmark . Danmarks geologiske undersøgelse, Arbog , 1978 : 131 – 140 .
- Hansen , J. M. 1979b . “ Dinoflagellate zonation around the boundary ” . In Cretaceous-Tertiary Boundary Events Symposium: I. The Maastrichtian and Danian of Denmark , Edited by: Birkelund , T. and Bromley , R. G. 136 – 141 . University of Copenhagen .
- Hansen , J. M. 1980 . Stratigraphy and structure of the Paleocene in Denmark and central West Greenland , 156 Geological Museum Library, University of Copenhagen . 94 figs (3 vols.)[Unpublished Ph. D. thesis.]
- Kjellström , G. 1973 . Maastrichtian microplankton from the Höllviken Borehole No. 1 in Scania, southern Sweden . Sveriges geologiska undersökning C , 688 : 1 – 59 .
- Sokal , R. R. and Rohlf , F. J. 1969 . Biometry: the principles and practice of statistics in biological research , 776 San Francisco : Freeman & Co. .