@misc{indiciae0de1b1f2d972,
  title = {Emittance measurement study},
  author = {Andersson, J. K. and Heinisch, R. P. and Schmidt, R. N.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700016377},
  note = {Source identifier: 19700016377}
}