Moshkovitz and Habib, 1993
From dinoflaj2
Moshkovitz, S. and Habib, D., 1993: Calcareous nannofossil and dinoflagellate stratigraphy of the Cretaceous-Tertiary boundary, Alabama and Georgia. Micropaleontology, v.39, no.2, p.167-191, pl.1-5.