1. Patanjali, M. (2003) Patanjal Yoga Darashanm. 2nd Edition, Aarsha Gurukul Mahavidhyalaya, Abu Parvat, Dist. Sirohi (Rajasthan).
2. Wanjerkhede, S.M. (2021) Kshana—The Smallest Mysterious Unit of Time Exploring the Temporal Variation of Fine Structure Constant.
3. A New Unified Electro-Gravity Theory for the Electron, and the Fundamental Origin of the Fine Structure Constant and the Casimir Effect
4. Radii of electrons and their α-quantized relations
5. Mei, S. and Mei, Z. (2019) Journal of Physics & Astronomy, 7, 1-6.