@misc{indiciae2125b8ff0ed8,
  title = {The SPECTRA program library; a PC based system for gamma-ray spectra analysis and INAA data reduction},
  author = {P. A. Baedecker and J. N. Grossman},
  year = {1994},
  doi = {10.3133/ofr94168},
  url = {https://pubs.usgs.gov/publication/ofr94168},
  note = {Source identifier: ofr94168}
}