1. Palynostratigraphy and source rock properties of three wells drilled in the Northern Thrace Basin;Alişan,1987
2. A palaeoecological study of a Late Holocene section from “Het Ilperveld”, western Netherlands;Bakker;Rev. Palaeobot. Palynol.,1982
3. Palynostratigraphy and paleoclimatology of the Late Eocene and Oligocene of the Paris Basin;Chateauneuf;Mem. B.R.G.M.,1980
4. Evolution of the microflora and dinocysts of the Eocene-Oligocene boundary in Western Europe;Chateauneuf,1986
5. Epiphyllous fungi from Eocene deposits in Western Tennessee, U.S.A.;Dilcher;Palaeontographica, Abt. B,1965