Grewal, Narwant Singh, Munish Rattan, and Manjeet Singh Patterh. “A Linear Antenna Array Failure Correction With Null Steering Using Firefly Algorithm”. Defence Science Journal 64, no. 2 (March 20, 2014): 136–142. Accessed June 17, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/4250.