Ko, Junho, Yoon S ang Kim, and . . “A Study on Photoneutrons Generated in a Linear Accelerator Head Using GEANT4”. International Journal of Engineering & Technology 7, no. 4.27 (November 30, 2018): 106–109. Accessed May 2, 2024. https://sciencepubco.com/index.php/ijet/article/view/22494.