@misc{indiciae1bcee17c424a,
  title = {A MINIMUM FUEL VERTICAL TOUCHDOWN LUNAR LANDING GUIDANCE TECHNIQUE},
  author = {Dietrich, R. G. and Hall, B. A. and Tiernan, K. E.},
  year = {1963},
  url = {https://ntrs.nasa.gov/citations/19630010253},
  note = {Source identifier: 19630010253}
}