@misc{indiciae7cf664a04947,
  title = {A Step Towards CO2-Neutral Aviation},
  author = {Brankovic, Andreja and Ryder, Robert C. and Hendricks, Robert C. and Huber, Marcia L.},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20070026244},
  note = {Source identifier: 20070026244}
}