Hwang, Arom, and Woojae Seong. “Simultaneous Mapping and Localisation for Small Military Unmanned Underwater Vehicle”. Defence Science Journal 62, no. 4 (July 3, 2012): 223-227. Accessed August 5, 2020. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/1002.