Puli, Kishore, and Kishore T. “Ultra-Wideband Impulse-Based Radar Signals for Through-the-Wall Imaging”. Defence Science Journal 62, no. 3 (July 6, 2012): 187-192. Accessed March 5, 2021. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/843.