English AGROVOC
uf
Radioactive isotopes
uf
Radioactive nuclides
BT
Isotopes
RT
Radioactive pollutants
RT
Radiocarbon dating
RT
Tracer techniques
RT
Tritium
(Lao)
ລັງສີໄອໂຊທອບ
(French)
Isotope radioactif
(Spanish)
Radioisotopos