@misc{indiciae6c035ca4d6b1,
  title = {Some numerical calculations by using linear classical sonic theories approached from sub- or supersonic speeds},
  author = {Yamamoto, Y. and Ando, S.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870019094},
  note = {Source identifier: 19870019094}
}