@misc{indiciae61d01223fd74,
  title = {Dual extraction of R-mode and Q-mode factor solutions},
  author = {D. Zhou and T. Chang and J.C. Davis},
  year = {1983},
  doi = {10.1007/bf01093413},
  url = {https://pubs.usgs.gov/publication/70011369},
  note = {Source identifier: 70011369}
}