@misc{indiciae6b13fb0ce09e,
  title = {Lunex II - A study on manned lunar exploration.},
  author = {Burns, N. M. and Deutsch, S. and Grubbs, H. Y. and Haaland, J. E. and Vaccaro, M. J.},
  year = {1967},
  url = {https://ntrs.nasa.gov/citations/19680061812},
  note = {Source identifier: 19680061812}
}