@misc{indiciae10d60743134d,
  title = {Vapor Deposited Tungsten for Application as a Thermionic Emitter Material},
  author = {Lindgren, J. R. and Mills, R. G. and Weinberg, A. F.},
  year = {1965},
  url = {https://ntrs.nasa.gov/citations/19660020083},
  note = {Source identifier: 19660020083}
}