A. Mossa, Mekaiel, and ميخائيل. “Vibration of Two Coupled Linear Atomic Chains”. Rafidain Journal of Science 16, no. 4 (June 24, 2025): 1–6. Accessed August 16, 2025. https://ojs.uomosul.edu.iq/index.php/rsci/article/view/12054.