@misc{indiciae2ad9addcc6e8,
  title = {Automatic photometric titrations of calcium and magnesium in carbonate rocks},
  author = {Leonard Shapiro and W. W. Brannock},
  year = {2002},
  doi = {10.1021/ac60101a008},
  url = {https://pubs.usgs.gov/publication/70010671},
  note = {Source identifier: 70010671}
}