@misc{indiciae6fe643602e2a,
  title = {Borehole field calibration and measurement of low-concentration manganese by decay gamma rays},
  author = {J.L. Mikesell and F. E. Senftle and T.A. Lloyd and A. B. Tanner and C.T. Merritt and E. R. Force},
  year = {1986},
  doi = {10.1190/1.1442075},
  url = {https://pubs.usgs.gov/publication/70014844},
  note = {Source identifier: 70014844}
}