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 [Internet]. 2021 May 30 [cited 2025 Aug. 14];62(5):1537-49. Available from: https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/3044