@misc{indiciaefe141a3c7da1,
  title = {Energy Efficient Transport - Technology in hand},
  author = {Middleton, D. B. and Bartlett, D. W. and Hood, R. V.},
  year = {1984},
  url = {https://ntrs.nasa.gov/citations/19840049910},
  note = {Source identifier: 19840049910}
}