TY  - RPRT
TI  - Comparison of the isotopic abundance of U235 and U238 and the radium activity ratios in Colorado Plateau uranium ores
AU  - F. E. Senftle
AU  - L. Stieff
AU  - F. Cuttitta
AU  - P.K. Kuroda
PY  - 1957
DO  - 10.1016/0016-7037(57)90081-9
UR  - https://pubs.usgs.gov/publication/70010797
ID  - 70010797
ER  -