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The Canadian National Committee of the International Commission on Illumination (Commission Internationale de L'éclairage).

National Research Council of Canada. Division of PhysicsInternational Commission on Illumination. Canadian National Committee

出版	National Research Council Canada, 1973
URL	http://books.google.com.hk/books?id=tQDltgAACAAJ&hl=&source=gbs_api