Columbia subject headings:
Geochemistry--Congresses.
Nuclear reactions--Congresses.
Uranium ores--Gabon--Congresses.
Uranium--Isotopes--Congresses.
Harvard subject headings:
Princeton subject headings:
Geochemistry--Congresses.
Nuclear reactions--Congresses.
Uranium ores--Gabon--Congresses.
Uranium--Isotopes--Congresses.