Sarkiss, Zareh A. “The Determination of Lower Limit Detection of X-Ray Fluorescence for Zinc Powder Suspended in Engine Oil”. Iraqi Journal of Physics 5, no. 1 (March 1, 2008): 46–50. Accessed November 22, 2024. https://ijp.uobaghdad.edu.iq/index.php/physics/article/view/934.