Description
Frequency range 20 to 15 000 c/s, under stated conditions, relations between sound pressure level and frequency for pure-tones of equal loudness, values for threshold of hearing. For otologically normal persons aged 18 to 25. Correction formulae for otologically normal persons up to 60 years.
All current amendments available at time of purchase are included with the purchase of this document.
Product Details
- Published:
- 05/19/1961
- ISBN(s):
- null
- Product Code(s):
- 10061148
- Note:
- This product is unavailable in Ukraine, Russia, Belarus
