@misc{indiciae976c9fd88ad2,
  title = {Determination of the optimum-size californium-252 neutron source for borehole capture gamma-ray analysis},
  author = {F. E. Senftle and R.J. Macy and J.L. Mikesell},
  year = {1979},
  doi = {10.1016/s0029-554x(79)92890-8},
  url = {https://pubs.usgs.gov/publication/70012517},
  note = {Source identifier: 70012517}
}