@misc{indiciae34b79eecf487,
  title = {A data base of geologic field spectra},
  author = {Kahle, A. B. and Goetz, A. F. H. and Paley, H. N. and Alley, R. E. and Abbott, E. A.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19820044065},
  note = {Source identifier: 19820044065}
}