Ergonomics data and guidelines for the application of ISO/IEC Guide 71 to products and services to address the needs of older persons and persons with disabilities— 168 стр.
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components— 42 стр.
Transmission systems of audio and/or video and related signals using infra-red radiation - Part 7: Digital audio signals for conference and similar applications— 26 стр.
