Draft Document - Radiation protection instrumentation - Environmental, electromagnetic and mechanical performance requirements (IEC 45B/899/CD:2018); Text in German and English
Measurement of radioactivity in the environment - Air: radon-222 - Part 2: Integrated measurement method for determining average potential alpha energy concentration of its short-lived decay products (ISO 11665-2:2019); German version EN ISO 11665-2:2019