@misc{indiciaeb13caa6bd8f3,
  title = {Application of First Principles Model to Spacecraft Operations},
  author = {Timmerman, Paul and Bugga, Ratnakumar and DiStefano, Salvidor},
  year = {1996},
  url = {https://ntrs.nasa.gov/citations/20060036803},
  note = {Source identifier: 20060036803}
}