@misc{indiciaede506dc61541,
  title = {User's manual for XTRAN2L (version 1.2): A program for solving the general-frequency unsteady transonic small-disturbance equation},
  author = {Seidel, D. A. and Batina, J. T.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19860022061},
  note = {Source identifier: 19860022061}
}