Versteegh, 1995
From dinoflaj3
Versteegh, G.J.M., 1995: Palaeoenvironmental changes in the Mediterranean and North Atlantic in relation to the onset of Northern Hemisphere glaciations (2.5 Ma B.P.) - a palynological approach. Ph.D. Thesis, University of Utrecht, 134 p., 6 pl.; Cip-Gegevens Koninklijke Bibliotheek, Den Haag, The Netherlands. (Published thesis dated February, 1995.)