D. Fray, “Renewable Energy and the Role of Molten Salts and Carbon”, J Min & Metal B Metallurgy, vol. 49, no. 2, p. 125, Jul. 2013, Accessed: Sep. 20, 2026. [Online]. Available: https://test.aseestant.ceon.rs/index.php/jmm/article/view/3150