S. N. Ojha, and Awaneesh Jee Srivastava. “The Propagation of Flare Generated Shockwaves in Self-Gravitating Solar Atmosphere”. Journal of International Academy of Physical Sciences, vol. 17, no. 3, Sept. 2013, pp. 223-32, https://www.iaps.org.in/journal/index.php/journaliaps/article/view/548.