@misc{indiciaec3acfd51631c,
  title = {Determination of iodine in the p.p.m. range in rocks},
  author = {F. S. Grimaldi and M. M. Schnepfe},
  year = {1971},
  doi = {10.1016/s0003-2670(01)80084-2},
  url = {https://pubs.usgs.gov/publication/70010421},
  note = {Source identifier: 70010421}
}