References
- Carhart R., Jerger J. F. “Preferred Method for Clinical Determination of Pure Tone Thresholds”. Journal of Speech and Hearing Disorders 1959; Vol. 24(No. 4)330–345, November-
- Dadson R. S., King J. H. Determination of Normal Threshold of Hearing and Its Relation to Standardization of Audiometers. Jour. Laryngol. and Otol. 1952; 66: 366–378
- Eagles E. L., Wishik S. M., Doerfler L. G., Melnick W., Levine H. S. Hearing Sensitivity and Related Factors in Children. University of Pittsburgh, Graduate School of Public Health, Pittsburgh, PennsylvaniaU.S.A. June, 1963
- Glorig A., Quiggle R., Wheeler D. E., Grings W. Determination of the Normal Hearing Reference Zero. Jour. Acoust. Soc. Amer 1956; 28: 1110–1113