1. Davis, H., et. al.: Physiological Effects of Exposure to Certain Sounds; Final Report. OSRD Report No. 889, 31 July 1942. Available from Office of Technical Services, U. S. Dept. of Commerce.
2. Davis, H., Morgan, C. T., Hawkins, J. E., JR., Galambos, R., and Smith, F. W.: Temporary Deafness Following Exposure to Loud Tones and Noise. Final Report, Contract OEMemr-194, OSRD Comm. on Med. Research, 30 Sept., 1943. Available from Office of Technical Services, U. S. Dept. of Commere, No. PBM 57250.
3. Recovery of the Auditory Threshold After Strong Acoustic Stimulation;Hirsh;J. Acoust. Soc. Amer.,1952
4. Kryter, Karl D.: The Effects of Noise on Man. J. Speech and Hearing Disorders, Mono. Suppl. No. 1, 1950.