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	41.	No cover image available ISO/TS 15666. Acoustics - assessment of noise annoyance by means of social and socio-acoustic surveys by International Standards Organisation Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva ISO 2003 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: ISO/TS 15666. Place hold Add to cart (remove)
	42.	No cover image available ISO 11904-2. Acoustics - determination of sound immission from sound sources placed close to the ear-. Part 2: Technique using a manikin by International Standards Organisation Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva ISO 2004 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: ISO 11904-2. Place hold Add to cart (remove)
	43.	No cover image available ISO 389-8. Acoustics - reference zero for the calibration of audiometric equipments. Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones by International Standards Organisation Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva ISO 2004 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: ISO 389-8. Place hold Add to cart (remove)
	44.	No cover image available ISO TR 4869-3. Acoustics - hearing protectors. Part 3: Simplified method for the measurement of insertion loss of ear-muff type protectors for quality inspection purposes by International Standards Organisation Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva ISO 1989 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: ISO TR 4869-3. Place hold Add to cart (remove)
	45.	No cover image available ISO/TR 4869-4. Acoustics - hearing protectors. Part 4: Measurement of effective sound pressure levels for level-dependent sound-restoration ear-muffs Material type: Text; Format: print ; Literary form: Not fiction Publication details: Sydney ISO 1998 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: ISO?TR 4869-4. Place hold Add to cart (remove)
	46.	No cover image available ISO 21388. Acoustics - Hearing aid fitting management (HAFM) by International Standards Organisation Edition: First Material type: Text; Format: print ; Literary form: Not fiction Publication details: Geneva ISO 2020 Availability: Items available for loan: National Acoustic Laboratories (1)Call number: ISO 21388-2020. Place hold Add to cart (remove)

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