Chunchuzov, Igor, and Sergey Kulichkov. “Acoustic Pulse Propagation through Stably Stratified Lower Atmosphere”. Canadian Acoustics 32, no. 3 (September 1, 2004): 160–161. Accessed March 28, 2024. https://jcaa.caa-aca.ca/index.php/jcaa/article/view/1677.