DIN EN ISO 52003-1:2018 Energy performance of buildings - Indicators, requirements, ratings and certificates - Part 1: General aspects and application to the overall energy performance (ISO 52003-1:2017)
2018DIN EN ISO 52003-1:2018-03 Energy performance of buildings - Indicators, requirements, ratings and certificates - Part 1: General aspects and application to the overall energy performance (ISO 52003-1:2017); German version EN ISO 52003-1:2017
2018DIN EN ISO 52003-1:2018 Energy performance of buildings - Indicators, requirements, ratings and certificates - Part 1: General aspects and application to the overall energy performance (ISO 52003-1:2017)