@misc{indiciae63d1de886f71,
  title = {Technical comments},
  author = {B.M. Troutman and M.R. Karlinger},
  year = {1990},
  doi = {10.1007/bf01547734},
  url = {https://pubs.usgs.gov/publication/70016276},
  note = {Source identifier: 70016276}
}