@misc{indiciaef217d200f7a7,
  title = {Dumbo heavy lifter aircraft},
  author = {Riester, Peter and Ellis, Colleen and Wagner, Michael and Orren, Scott and Smith, Byron and Skelly, Michael and Zgraggen, Craig and Webber, Matt},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19940020433},
  note = {Source identifier: 19940020433}
}