“The Dependence of Spectral Parameters in the Cross-Sectional Equation of Coherent and Incoherent Radiation on Energy Using a Mathematical Method”. Iraqi Journal of Science 62, no. 5 (May 30, 2021): 1537–1549. Accessed May 2, 2024. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3044.