TY  - RPRT
TI  - Tritium and deuterium content of atmospheric hydrogen
AU  - F. Begemann
AU  - Irving Friedman
PY  - 2014
DO  - 10.1515/zna-1959-1204
UR  - https://pubs.usgs.gov/publication/70211565
ID  - 70211565
ER  -