@misc{indiciaecf7c0ec8284a,
  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/19670019422},
  note = {Source identifier: 19670019422}
}