Principles of light measurements
I tiakina i:
| Kaituhi rangatōpū: | |
|---|---|
| Hōputu: | Pukapuka |
| I whakaputaina: |
Paris :
International Commission on Illumination, Bureau Central,
1970
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| Rangatū: | Publication ;
no. 18 |
| Ngā marau: | |
| Tags: |
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| Whakaahutanga tūemi: | At head of Title: International Commission on Illumination English, French and German |
|---|---|
| Whakaahuatanga ōkiko: | 1 v. |