Analyzing the Elements of X-ray Emission Spectrum of C/1999 S4 (LINEAR) and 9p/ Tempel 1 Comets. Iraqi Journal of Science [Internet]. 2024 Jul. 30 [cited 2024 Nov. 22];65(7):4092-101. Available from: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9468