Electroacoustics. Hearing aids. Part 13. Requirements and methods of measurement оf immunity to electromagnetic disturbances from digital wireless devices
Graphic technology. Process control for the production of half-tone colour separations, proof and production prints. Part 3. Coldset offset lithography on newsprint
System of standards on information, librarianship and publishing. Multilingual thesaurus for information retrieval. Composition, structure and basic requirements for development
