@misc{indiciaed61eb092d6c1,
  title = {Manned space flight in transition},
  author = {Drucker, E. E. and Pooler, W. S. and Wilemon, D. L. and Wood, B. D.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730013152},
  note = {Source identifier: 19730013152}
}