@misc{indiciae05344b5e0d13,
  title = {Rapid optimization of multiple-burn rocket flights},
  author = {Brown, K. R. and Harrold, E. F. and Johnson, G. W.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700038816},
  note = {Source identifier: 19700038816}
}