@misc{indiciae43e3b8b955f1,
  title = {A Conceptual Design Study for an Unmanned, Reusable Cargo Lunar Lander},
  author = {Robertson, Bradford and Ramos, Eugina Mendez and Diaz, Manuel J. and Mavris, Dimitri},
  year = {2019},
  url = {https://ntrs.nasa.gov/citations/20190033382},
  note = {Source identifier: 20190033382}
}