@misc{indiciae8fbf8c5215ac,
  title = {Interplanetary guidance system requirements study. Volume 2 - Computer program descriptions. Part 10 - Program description for performance assessment of low thrust space guidance systems, version 1},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680002382},
  note = {Source identifier: 19680002382}
}