@misc{indiciaea7adc8b2ce0b, title = {Uranium content and leachable fraction of fluorspars}, author = {E. R. Landa and T.B. Councell}, year = {2000}, doi = {10.1097/00004032-200009000-00009}, url = {https://pubs.usgs.gov/publication/70022456}, note = {Source identifier: 70022456} }