Biostratigraphic revision of the Hod-I well: Hungary's deepest borehole failed to reach the base of the Upper Miocene Pannonian Stage.
Reference:
Szuromi-Korecz,A. et al. (2004)
Biostratigraphic revision of the Hod-I well: Hungary's deepest borehole failed to reach the base of the Upper Miocene Pannonian Stage. Geoligica Carpathica(Geologicky Zbornik)
Vol. 55 # 6 P. 475- 485