@misc{indiciae491dcb4a09a4,
  title = {User's manual for ANALYST version 2.00; An IBM-PC computer program for control of a thermal-ionization, single-collector mass-spectrometer},
  author = {K.R. Ludwig},
  year = {1992},
  doi = {10.3133/ofr92543},
  url = {https://pubs.usgs.gov/publication/ofr92543},
  note = {Source identifier: ofr92543}
}