@misc{indiciae221a694a6b8d,
  title = {Motivation for Air-Launch: Past, Present, and Future},
  author = {Kelly, John W. and Rogers, Charles E. and Brierly, Gregory T. and Martin, J Campbell and Murphy, Marshall G.},
  year = {2017},
  url = {https://ntrs.nasa.gov/citations/20170007919},
  note = {Source identifier: 20170007919}
}