Reference
- Barr B. Pure tone audiometry for pre-school children. Acta Otolaryng (Stockh.) Suppl. 1954; 110
- Bellefleur P. A., Smith S. Audition or vibration. Hearing Dealer 1967; 17: 11
- Bocca D., Perani G. Further contributions to the knowledge of vestibular hearing. Acta Otolaryng (Stockh.) 1960; 51
- Fletcher H. chap. 8. Speech and Hearing in Communication. Van Nostrand, New York. 1953
- Groen J. J. Electrische Verstärker für Taubstummen. Int Cong on the Care of Deafmutes, Groningen. 1950
- Guberina P. Verbotonal method and its application to the rehabilitation of the deaf. American Instructors of the Deaf Forty-first Convention. Gallaudet College. 1963; 275
- Hood J. D. The principles and practice of bone conduction audiometry. Laryngoscope 1960; 70: 1211
- Hughson W., Ciocco A., Palmer C. Studies of the pupils of the Pennsylvania School for the Deaf. Arch Otolaryng (Chic.) 1939; 29: 403
- Langenbeck B. Textbook of Practical Audiometry. Williams and Wilkins, Baltimore. 1965
- Newby H. A. Audiology. Appleton-Century-Crofts, New York. 1964
- Nober E. H. Pure tone air conduction thresholds of deaf children. Volta Rev 1963; 65: 229
- Nober E. H. Pseudo auditory bone conduction thresholds. J S H Dis 1964; 29: 469
- Nober E. H. Vibrotactile sensitivity of deaf children to high intensity sound. Laryngoscope 1967; 78: 2128
- Portmann M., Portmann C. Clinical Audiometry. Thomas, Illinois. 1961
- Reger S. N. Pure Tone Audiometry. Audiometry: Principles and Practices, Glorig. Williams and Wilkins, Baltimore. 1965
- Risberg A. Periodic-nonperiodic test of hearing capacity. Speech Transmission Laboratory. AprilSeptember, 1968; 1968, 19, Quarterly Progress and Status Report. 2-3
- Schindler B. Das Schallfühlen der Taubstummen und Seine Praktische Bedeutung. Arch Ohreriheilk 1936; 39: 431
- Van Uden A. A sound perceptive method. The Modern Educational Treatment of Deafness, Ewing. Manchester University Press. 1958
- Wegel R. L. Physical examination of hearing. Proc Nat Acad Sci U.S.A. 1922; 8: 7
- Wegel R. L. Physical data and physiological excitation of the auditory nerve. Ann Otol 1932; 41: 740
- Wilson G. E. Comparisons of forehead and mastoid thresholds in bone conduction audiometry. Diploma Dissertation, Manchester University. 1967, Unpublished.