@misc{indiciaef266e5f0b69f,
  title = {SOME GENERAL CONSIDERATIONS OF MANNED LUNAR RETURN MISSIONS},
  author = {Eggers, A. J., Jr. and Hornby, H. and Wong, T. J. and Wyss, J. A.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630027381},
  note = {Source identifier: 19630027381}
}