10.Kim, H. S., Nam, J. S., Hwang, H. K., Jeon, J. K., and Kim, G. Y., “A Study on
the Penetration Resistance and Spalling Properties of High Strength Concrete by Impact
of High Velocity Projectile”, Journal of the Korea Concrete Institute, Vol. 25, No.
1, 2013, pp. 99-106 (in Korean).