@misc{indiciae27090cd69d4d,
  title = {Work function measurements by the field emission retarding potential method},
  author = {Swanson, L. W. and Strayer, R. W. and Mackie, W. A.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720026060},
  note = {Source identifier: 19720026060}
}