Measurement of the color temperature of the more efficient artificial light sources by the method of rotary dispersion /
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| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
Washington :
Government Printing Office,
1922.
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| Edice: |
Scientific papers of the Bureau of Standards ;
Vol. 443 (Part of Vol. 18) |
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