Noise exposure profiles for small-caliber firearms from 1.5 to 6 meters Murphy, William J. ; Flamme, Gregory A. ; Zechmann, Edward L. ; Dektas, Caroline ; Meinke, Deanna K. ; Stewart, Michael ; Lankford, James E. ; Finan, Donald S. Abstract Publication: Acoustical Society of America Journal Pub Date: 2012 DOI: 10.1121/1.4754989 Bibcode: 2012ASAJ..132.1905M