BS ISO/IEC 21000-20. Information technology. Multimedia framework (MPEG-21). Part 20. Contract Expression Language
Edition 2015-09-22

Aerospace. Hydraulic fluid components. Expression of particulate contamination levels
Edition 2013-11-30

Expression of performance of electrochemical analyzers - Part 4: Dissolved oxygen in water measured by membrane-covered amperometric sensors (Endorsed by Asociación Española de Normalización in April of 2019.)
Edition 2019-04-01

Expression of performance of gas analyzers - Part 2: Measuring oxygen in gas utilizing high-temperature electrochemical sensors (Endorsed by Asociación Española de Normalización in October of 2019.)
Edition 2019-10-01

Gas Analyzers - Expression of performance - Part 3: Paramagnetic oxygen analysers (Endorsed by Asociación Española de Normalización in October of 2019.)
Edition 2019-10-01

Aerospace series - Programme management - Expression of need - Guidance on and format for (Need) Technical Specification (Endorsed by Asociación Española de Normalización in November of 2021.)
Edition 2021-11-01

Health informatics - Expression of results of measurements in health sciences
Edition 2006-05-24

Shutters - Acoustic insulation relative to airborne sound - Expression of performance
Edition 2006-02-01

Electrical and electronic measurement equipment - Expression of performance.
Edition 2003-01-24

Expression of performance of electrochemical analyzers - Part 1: General
Edition 2003-12-23