J. Abdallah S, M. Al-sheikh A. Pressure Dependence of Frequencies and Frequencies Distribution Function for Aluminum: Theoretical approach. JES [Internet]. 2008 Dec. 1 [cited 2025 Sep. 10];21(4):114-23. Available from: https://edusj.uomosul.edu.iq/index.php/edusj/article/view/42392