Seshavatharam, U. V. S., and S. Lakshminarayana. “Light Speed Expansion and Rotation of a Primordial Black Hole Universe Having Internal Acceleration”. International Astronomy and Astrophysics Research Journal 2, no. 1 (July 7, 2020): 83–101. Accessed October 18, 2026. https://journaliaarj.com/index.php/IAARJ/article/view/18.