@misc{indiciaec8915ad14173,
  title = {A Step Towards CO2-Neutral Aviation},
  author = {Brankovic, Andreja and Ryder, Robert C. and Hendricks, Robert C. and Huber, Marcia L.},
  year = {2008},
  url = {https://ntrs.nasa.gov/citations/20080040194},
  note = {Source identifier: 20080040194}
}