@misc{indiciae7664c671aeb4,
  title = {A general theory of multimetric indices and their properties},
  author = {Donald R. Schoolmaster and James B. Grace and E. William Schweiger},
  year = {2012},
  doi = {10.1111/j.2041-210x.2012.00200.x},
  url = {https://pubs.usgs.gov/publication/70042265},
  note = {Source identifier: 70042265}
}