Columbia subject headings:
Geodynamics--Congresses.
Geology, Stratigraphic--Precambrian--Congresses.
Sedimentation and deposition--Congresses.
Harvard subject headings:
Geodynamics--Congresses
Geology, Stratigraphic--Precambrian--Congresses
Sedimentation and deposition--Congresses.
Princeton subject headings:
Geodynamics--Congresses.
Geology, Stratigraphic--Precambrian--Congresses.
Sedimentation and deposition--Congresses.