@misc{indiciae68f76f78527f,
  title = {Design approaches to more energy efficient engines},
  author = {Saunders, N. T. and Colladay, R. S. and Macioce, L. E.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19780018499},
  note = {Source identifier: 19780018499}
}