TY  - RPRT
TI  - The half life of Th232 and the branching ratio of Bi212
AU  - F. E. Senftle
AU  - T. A. Farley
AU  - Norman Henry Lazar
PY  - 1956
DO  - 10.3133/tei193
UR  - https://pubs.usgs.gov/publication/tei193
ID  - tei193
ER  -