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| standard observer | |||
| CIE observer; average normal observer; normal human observer; hypothetical average observer; hypothetical CIE standard observer | |||
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Normalbeobachter : 6 do fraz, 3 tematyki |
| Optyka | 2 |
| Oświetlenie inne niż kinowe | 1 |
| Technika i technologia | 3 |