@misc{indiciae1bd122cccdee,
  title = {The requirements placed on electron tubes for space applications.},
  author = {Kohl, W. H. and Veronda, C. M. and Wilmarth, R. W.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670051023},
  note = {Source identifier: 19670051023}
}