International Commission on Illumination.
Subtitle: Committee TC-4.2
Series: Publication CIE -- no. 22 (TC-4..2) 1973; Publication CIE -- no. 22
Publisher: Bureau central de la CIE
Published: 1973
Place of publication: Paris
Language: eng
Number of pages: 30
Subjects: Daylight -- Measurement; Lighting
Notes: Cover title.

English, French and German.