
Photometry. The CIE system of physical photometry.
STANDARD published on 9.3.2023
Designation standards: BS ISO/CIE 23539:2023
Publication date standards: 9.3.2023
The number of pages: 54
Approximate weight : 162 g (0.36 lbs)
Country: British technical standard
Category: Technical standards BS
ISBN: 978 0 539 21265 5 Status: Definitive