@misc{indiciae53c75a93157a,
  title = {An application of spectrographic microphotometric scanning},
  author = {Clarence Almon Waring and Mona Franck and A.M. Sherwood},
  year = {1956},
  doi = {10.3133/b1036e},
  url = {https://pubs.usgs.gov/publication/b1036E},
  note = {Source identifier: b1036E}
}