@misc{indiciae5edcfd7b16a0,
  title = {A small volume, ultrahigh vacuum system for ionization gage studies},
  author = {Bradford, J. M., Jr. and Outlaw, R. A.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670031237},
  note = {Source identifier: 19670031237}
}