Wimaladharma, Sashinka, and Nalin de Silva. “A Static Solution to Einstein’s Field Equations for a Spherical Distribution of Electrically Counterpoised Dust”. American Scientific Research Journal for Engineering, Technology, and Sciences 17, no. 1 (March 4, 2016): 155–164. Accessed May 6, 2024. https://asrjetsjournal.org/index.php/American_Scientific_Journal/article/view/1402.