@misc{indiciaee0d45f2daa49,
  title = {Lifting robot-space shuttle preliminary mission profile optimization program. Part 2: Program listings},
  author = {Gottlieb, R. G.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19710024702},
  note = {Source identifier: 19710024702}
}