@misc{indiciae18fea33e92c9,
  title = {Design for operation},
  author = {Hodge, J. D. and Kapryan, W. J. and Williams, J. J.},
  year = {1961},
  url = {https://ntrs.nasa.gov/citations/19690067509},
  note = {Source identifier: 19690067509}
}