@misc{indiciae6facb43a72ca,
  title = {Two-stage reusable launch system utilizing a winged core vehicle and glideback boosters},
  author = {Macconochie, Ian O. and Martin, James A. and Wood, James S. and Duquette, Miles O.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890017507},
  note = {Source identifier: 19890017507}
}