Khorsheed, Suha Mousa, and Raneen Salam Al-Obaidi. “Second Harmonic Generation of 266 Nm Laser Beam Using BBO Nonlinear Crystal”. Iraqi Journal of Science 62, no. 2 (February 27, 2021): 455–464. Accessed January 4, 2026. https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/1623.