Balasubramanian, V. K., G. S. Gokhale, M.G.K. Menon, B. Peters, and R. T. Redkar. “The Design and Use of Plastic Balloons for Stratospheric Research in India”. Defence Science Journal 8, no. 2 (May 27, 2014): 98–108. Accessed July 1, 2025. https://publications.drdo.gov.in/ojs/index.php/dsj/article/view/7583.