Srivastava, T., and Ashok Nangia. “Rocket Rendezvous at Preassigned Destinations With Optimum”. Defence Science Journal 32, no. 4 (February 17, 2014): 303-312. Accessed July 23, 2024. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/6321.