Abrupt floral change at the boundary of the early and late Oligocene in Hungary and the role of Arctotertiary elements

by Hably, Lilla
Source: 1. Paleofloristic and Paleoclimatic Changes During Cretaceous and Tertiary 1. Bratislava : Geologický ústav Dionýza Štúra, 1993 1. 80-85314-26-6 1. S. 105-107