De Coninck, 1986b
From dinoflaj2
de Coninck, J., 1986b: Organic walled phytoplankton from the Bartonian and Eo-Oligocene transitional deposits of the Woensdrecht Borehole, southern Netherlands. Mededelingen van de Rijks Geologische Dienst, v.40, no.2, p.1-49, pl.1-11.
