References
- Burns W., Robinson D. W. Hearing and Noise in Industry. Her Majesty's Stationary Office, London 1970
- Else D. A note on the protection afforded by hearing protectors—Implications of the energy principle. Ann occup Hyg 1973; 16: 81
- Erlandsson B., Håkanson H., Ivarsson A., Nilsson P., Salén B. Earborne sound level dosimeter. Rev Sci Instr 1976; 47: 1380
- Erlandsson B., Håkanson H., Ivarsson A., Nilsson P., Salén B. Estimation of noise by integration of expositon time exceeding preset sound pressure levels. Scand Audiol 1976; 5: 213
- Erlandsson B., Håkanson H., Ivarsson A., Nilsson P. Comparison of the hearing threshold measured by manual pure-tune and by self-recording (Békésy) audiometry. Audiology 1979; 19: 414
- Erlandsson B., Håkanson H., Ivarsson A., Nilsson P. Comparison between stationary and personal noise dose measuring systems. Acta Otolaryngol (Stockh.), Suppl. 1979; 360: 105
- Erlandsson B., Håkanson H., Ivarsson A., Nilsson P. The accuracy of hearing measurement for detection of hearing impairment caused by noise 1979c
- Hinchcliffe R. The threshold of hearing as a function of age. Acustica 1959; 9: 303
- Johansson B. Material for ISO TC43/SC1 Noise/ WG17 Hearing protectors. (Private communication.) 1978
- Karmy S. J., Coles R. R. A. Hearing protection, factors affecting its use. Proc Audiol Congr. Turin 1975; 260
- Martin A. M. An investigation of the relationship between the attenuation of earmuffs and earmuffs with incident sound level for steady-state and impulse sounds using instrumented cadaver ears. Tech rep. 95, June 1977. InSt of Sound and Vibr. Res., Univ. of Southampton. 1977a
- Martin A. M. The acoustic attenuation characteristics of 26 hearing protectors evaluated following the British standard procedure. Ann Occup IIyg 1977; 20: 229
- Spoor A. Presbycusis values in relation to noise induced hearing loss. Int Audiol 1967; 6: 48
- Taibo L., Behar A., Raitzin C. Attenuation of hearing protectors for pure-tone and 1/3-octave bands of noise. J Sound Vib 1977; 50: 89