Bhatt, N. B., M. K. Gupta, and Y.S. N. Murty. “Measurement of Radio Noise in the Delhi Area Part I”. Defence Science Journal 11, no. 1 (March 25, 2014): 23–33. Accessed June 16, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6792.