@misc{indiciaed450a11ff2cd, title = {Study of radioactive equilibrium in Carnotite ores of the Colorado Plateau}, author = {L. R. Stieff and M.N. Girhard and T. W. Stern}, year = {1949}, doi = {10.3133/tei106}, url = {https://pubs.usgs.gov/publication/tei106}, note = {Source identifier: tei106} }