@misc{indiciae000bff2d1c64,
  title = {Satellite and space propulsion systems},
  author = {Moeckel, W. C. and Baldwin, L. V. and English, R. E. and Lubarsky, B. and Maslen, S. H.},
  year = {1957},
  url = {https://ntrs.nasa.gov/citations/19720065108},
  note = {Source identifier: 19720065108}
}