Rao, V., K. Achyuthan, and M. Narayanan. “Preliminary Experiments on the Determination of the Acoustic Signature of Ships”. Defence Science Journal 6, no. 2 (May 26, 2014): 117-128. Accessed April 27, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7543.