A standards reference zero for the calibration of pure tone bone conduction audiometers

Ижил төстэй зүйлс

• Specification for standards reference zero for the calibration of pure tone air conduction audiometers
  -н: 8096 British Standards Institution, зэрэг
• Normal equal-loudness contours for pure tones and normal threshold of hearing under free-field listening conditions
  -н: 8096 British Standards Institution
  Хэвлэсэн: (1961)
• Audiometers
  -н: 8096 British Standards Institution
• Threshold of hearing by air conduction as a function of age and sex for otologically normal persons
  -н: 8096 British Standards Institution
  Хэвлэсэн: (1988)
• PC based audiometer /
  -н: 260390 Low, Lai Hing
  Хэвлэсэн: (1999)