2017DIN EN 60904-3:2017 Photovoltaic devices - Part 3: Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data (IEC 60904-3:2016); German version EN 60904-3:2016, with CD-ROM
2009DIN EN 60904-3:2009 Photovoltaic devices - Part 3: Measurement principles for terrestrial photovoltaic (PV) solar devices with reference spectral irradiance data (IEC 60904-3:2008); German version EN 60904-3:2008