Indigenous Development of Acoustic Sounder (SODAR) in India as an Upgraded Technology for Environmental Protection: A Review. Indian Journal of Pure & Applied Physics (IJPAP), [S. l.], v. 60, n. 9, 2023. DOI: 10.56042/ijpap.v60i9.61862. Disponível em: https://or.niscpr.res.in/index.php/IJPAP/article/view/2695. Acesso em: 21 may. 2026.