Khlopkov, Y. I., S. L. Chernyshev, V. A. Zharov, Z. Y. Myo Myint, A. Y. Khlopkov, M. S. Polyakov, and K. Zin. “Modern Trends in the Development of Reusable Aerospace System”. Asian Journal of Applied Sciences, vol. 2, no. 1, Feb. 2014, https://www.ajouronline.com/index.php/AJAS/article/view/745.