DIN 21908 [Withdrawn] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 21901 | 1984-02 | Mine plans; structure and list of standards; general principles More |
| DIN 5031-3 | 1982-03 | Optical radiation physics and illuminating engineering; quantities, symbols and units of illuminating engineering More |
| DIN 5031-6 | 1982-03 | Physics of radiation in the field of optics and illuminating engineering; pupil intensity as a measure of retinal illumination More |
| DIN 5036-1 | 1978-07 | Radiometric and photometric properties of materials; definitions characteristics More |
| DIN 6164-1 | 1980-02 | DIN colour chart; system based on the 2° standard colorimetric observer More |
