@misc{indiciaea62f3b2bfc6f,
  title = {Implicit finite-difference simulations of steady and unsteady transonic flows},
  author = {Ballhaus, W. F. and Holst, T. L. and Steger, J. L.},
  year = {1979},
  url = {https://ntrs.nasa.gov/citations/19810036769},
  note = {Source identifier: 19810036769}
}