2021DIN EN ISO 21654:2021 Solid recovered fuels - Determination of calorific value (ISO 21654:2021); German version EN ISO 21654:2021
2020DIN EN ISO 21654:2020 Solid recovered fuels - Determination of calorific value (ISO/DIS 21654:2019); German and English version prEN ISO 21654:2019
2011DIN EN 15400:2011 Solid recovered fuels - Determination of calorific value; German version EN 15400:2011