@misc{indiciae50a57c44e552,
  title = {CONTROL; a solid-source mass spectrometer data acquisition program for use with Hewlett-Packard computers},
  author = {Brian D. Marshall},
  year = {1989},
  doi = {10.3133/ofr89160},
  url = {https://pubs.usgs.gov/publication/ofr89160},
  note = {Source identifier: ofr89160}
}