@misc{indiciae0ac95e02368d,
  title = {Sound propagation over curved barriers},
  author = {Pierce, Allan D. and Main, Geoffrey L. and Kearns, James A. and Hsieh, H.-A.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870039832},
  note = {Source identifier: 19870039832}
}