@misc{indiciae9e681299d0d5,
  title = {User's manual for ANALYST; a computer program for control of an Isomass 54E thermal-ionization, single-collector mass-spectrometer},
  author = {K.R. Ludwig},
  year = {1985},
  doi = {10.3133/ofr85141},
  url = {https://pubs.usgs.gov/publication/ofr85141},
  note = {Source identifier: ofr85141}
}