2012DIN 58141-2:2012-09 Measurement of fiber optic elements - Part 2: Determination of spectral transmittance of light guides; Text in German and English
2012DIN 58141-2:2012 Measurement of fiber optic elements - Part 2: Determination of spectral transmittance of light guides; Text in German and English
1989DIN 58141-2:1989 Testing of fibre optic elements; determination of spectral transmittance of light guides