@misc{indiciae4afea252f79a,
  title = {A semigraphical method for a deorbit trajectory design study},
  author = {Green, R. N. and Hampshire, W. F., II and Souders, S. W.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680026605},
  note = {Source identifier: 19680026605}
}