@misc{indiciae7c77fe1d39a1,
  title = {Applications of combined high-thrust, low- thrust propulsion systems.},
  author = {Dugan, D. W. and Mascy, A. C. and Pitts, S. W.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19670055246},
  note = {Source identifier: 19670055246}
}