“Refraction As A Function Of Molecular Gravitation: Fresh Insights Into The Nature Of Space, Mass And Energy And A New Possibility In The Creation Of Metamaterials”, GJSFR, vol. 12, no. A5, pp. 19–22, Aug. 2012, Accessed: Sep. 21, 2026. [Online]. Available: https://journalofscience.org/index.php/GJSFR/article/view/398