Explosive Sound Signals and Systems for Their Use. Open PDF Document Details Document Type Technical Report Publication Date Jun 28, 1963 Accession Number ADA068796 Entities People Thomas T. Farrell Organizations Columbia University Tags Communities of Interest Counter IED DTIC Thesaurus Topics Acoustic Signals Burning Rate Detonations Detonators Experimental Design Explosives Frequency Geometry High Pressure Lead Angle Lead Time Mass Shootings Precision Right Angles Safety Fuses Sympathetic Detonations Tape Recording