2021BS EN ISO 21654:2021 Solid recovered fuels. Determination of calorific value
2011BS EN 15400:2011 Solid recovered fuels. Determination of calorific value
BS EN ISO 21654:2021 Solid recovered fuels. Determination of calorific value was changed to BS EN 15400:2011 Solid recovered fuels. Determination of calorific value.