@misc{indiciaeb40fac0b385d,
  title = {A preliminary design and implementation of the low-thrust simulation and trajectory search program (LOWTRAJ)},
  author = {Yen, C. L.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19740002664},
  note = {Source identifier: 19740002664}
}