@misc{indiciaec933c9d60877,
  title = {X-ray powder data for uranium and thorium minerals},
  author = {Clifford Frondel and Daphne Riska and Judith Weiss Frondel},
  year = {1956},
  doi = {10.3133/b1036g},
  url = {https://pubs.usgs.gov/publication/b1036G},
  note = {Source identifier: b1036G}
}