G Menken, Mika. “Thermodynamic Gradient Cosmology – A Local Model for the Observed Expansion of the Universe (Second Edition)”. International Journal of Physics Research and Applications 8, no. 8 (August 21, 2025): 251–258. Accessed October 11, 2025. https://www.physicsresjournal.com/ijpra/article/view/ijpra-aid1131.