@misc{indiciae5a519f8d721c,
  title = {Occurrence of nonpegmatite beryllium in the United States},
  author = {L.A. Warner and W.T. Holser and V.R. Wilmarth and E.N. Cameron},
  year = {1959},
  doi = {10.3133/pp318},
  url = {https://pubs.usgs.gov/publication/pp318},
  note = {Source identifier: pp318}
}