@misc{indiciae3862ac2e9004,
  title = {Hybrid development planning manual},
  author = {Adams, M. B. and Bialla, P. H. and Michaelis, R. H.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680012831},
  note = {Source identifier: 19680012831}
}