@misc{indiciaefd1c18ce3a80,
  title = {Proposed powered explicit guidance thrust integrals derivation/implementation. Mission planning, mission analysis and software formulation},
  author = {Jaggers, R. F.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760020204},
  note = {Source identifier: 19760020204}
}