@misc{indiciae599fc0764c1a,
  title = {Phosphates; Mineral paints},
  author = {Alfred Reginald Schultz and R. W. Richards and Joseph Thomas Pardee},
  year = {1913},
  doi = {10.3133/b530f},
  url = {https://pubs.usgs.gov/publication/b530F},
  note = {Source identifier: b530F}
}