Dehghani, Z., K. Khorasani, B. Sajad, D. Salehinia, and S. Behrouzinia. “Comparison of the Output Power of Copper Halide Lasers Versus Buffer Gas Pressure and Frequency: Physics”. International Journal of Fundamental Physical Sciences 1, no. 1 (March 31, 2011): 19-21. Accessed June 26, 2022. https://www.fundamentaljournals.org/index.php/ijfps/article/view/78.