Concrete Penetration Open PDF Document Details Document Type Technical Report Publication Date Mar 01, 1945 Accession Number ADA800119 Entities People Richard A. Beth Organizations Princeton University Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Accuracy Air Force Birds Bombs Concrete Energy Kinetic Energy Materials Measurement Munitions Observation Plastic Explosives Projectile Noses Projectiles Test And Evaluation Tungsten Carbides Weapons