Columbia subject headings:
Harvard subject headings:
Geology, Stratigraphic--Cenozoic--Congresses
Geology, Stratigraphic--Neogene
Geology, Stratigraphic--Quaternary--Congresses
Geology, Stratigraphic--Tertiary
Geology--Carpathian Mountains--Congresses.
Geomorphology--Carpathian Mountains--Congresses.
Princeton subject headings:
Geology, Stratigraphic--Cenozoic--Congresses.
Geology, Stratigraphic--Tertiary.
Geology--Carpathian Mountains--Congresses.
Geomorphology--Carpathian Mountains--Congresses.