00398nam a2200097Ia 4500008004100000082001800041100004000059245015100099264004200250300000800292200526s9999||||xx |||||||||||||| ||und||  a617.89  LAA S  aLaat, J.AP.M.de , Smoorenburg, G.F. 0aStatistical Examination of Heairng Loss due to Shooting Noise and Industrial Noise and Consequences for Screening Audiometry wit Fixed Frequencies  bInstituut Voo Zintuigfysiologiec1981  a21p