Radiometric and photometric properties of materials; methods of measurement for photometric and spectral radiometric characteristics
DIN 5036-3:1979 history
1979DIN 5036-3:1979-11 Radiometric and photometric properties of materials; methods of measurement for photometric and spectral radiometric characteristics
1979DIN 5036-3:1979 Radiometric and photometric properties of materials; methods of measurement for photometric and spectral radiometric characteristics