@misc{indiciae0b7ad84aa8ce,
  title = {Orbit Transfer Rocket Engine Technology Program: Advanced engine study, task D.1/D.3},
  author = {Martinez, A. and Erickson, C. and Hines, B.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860016897},
  note = {Source identifier: 19860016897}
}