@misc{indiciae71c0023a7360,
  title = {PPCS engineering model design},
  author = {Gates, R. F. and Haack, A. F. and Hughes, G. C. and Mann, R. J. and Tsou, H. S. and Tsusaki, W. and Zaremba, J. G.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710026293},
  note = {Source identifier: 19710026293}
}