@misc{indiciaefe88d5cd3043,
  title = {Q-mode factor analysis of geochemical and petrologic data matrices with constant row-sums},
  author = {A.T. Miesch},
  year = {1976},
  doi = {10.3133/pp574g},
  url = {https://pubs.usgs.gov/publication/pp574G},
  note = {Source identifier: pp574G}
}