@misc{indiciaec41f4c038307,
  title = {A SURVEY OF VACUUM LUBRICATION DEVELOPMENTS},
  author = {Kingsbury, J. E. and Mc Kannan, E. C.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630022201},
  note = {Source identifier: 19630022201}
}