Purwanto H, Soenoko R, Purnowidodo A, Suprapto A. The Influence of Single and Double Steel Plate Hardness on Fracture Behavior after Ballistic Impact. Period. Polytech. Mech. Eng. [Internet]. 2020 Jan. 1 [cited 2024 Nov. 21];64(3):189-98. Available from: https://pp.bme.hu/me/article/view/11780