Castro, Álvaro, Espejo, E., & Martínez, L. (2000). Study on the types of craters produced in the impact of projectiles 5,56 SS109, over steel targets AISI-SAE 1045. Revista De Metalurgia, 36(1), 24–32. https://doi.org/10.3989/revmetalm.2000.v36.i1.553