@misc{indiciae00c6f3eb0e2d,
  title = {A view toward future launch vehicles - A civil perspective},
  author = {Darwin, Charles R. and Austin, Gene and Varnado, Lee and Eudy, Glenn},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900026331},
  note = {Source identifier: 19900026331}
}