BS ISO 20189-1. Acoustics. Screens furniture and single objects intended for interior use. Rating of sound absorption and sound reduction of elements based on laboratory measurements— 36 стр.
Acoustics. Screens, furniture and single objects intended for interior use. Rating of sound absorption and sound reduction of elements based on laboratory measurements. Part 1: Rating of sound absorption and sound reduction of elements based on laboratory measurements— 38 стр.
Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 2: Noise control measures (ISO 11690-2:1996); German version EN ISO 11690-2:1996— 20 стр.
Acoustics - Recommended practice for the design of low-noise workplaces containing machinery - Part 1: Noise control strategies (ISO 11690-1:1996); German version EN ISO 11690-1:1996— 23 стр.