V.S. Seshavatharam, U., and S. Lakshminarayana. “Quantum Model of Naturally Rotating Machian Cosmology and Galactic Applications of Current Cosmic Angular Velocity”. International Journal of Advanced Astronomy, vol. 9, no. 1, Jan. 2021, pp. 18-23, https://doi.org/10.14419/ijaa.v9i1.31309.