1. Atif MR, Love JA, Littlefair P. Daylighting Monitoring Protocols & Procedures for Buildings. IEA-SHC; 1997, p. 18. Report No.: T21/D2.1/97-10.
2. Christoffersen J. IEA Task 21 monitoring procedures for the assessment of daylighting performance of buildings. 24th Sess CIE. 1999;.
3. Velds M , Christoffersen J. Monitoring procedures for the assessment of daylighting performance of buildings. IEA-SHC; 2001 p. 56.
4. CEN. EN 15193 - Energy performance of buildings - Energy requirements for lighting. Brussels; 2007.
5. CEN. EN 12464-1 - Light and lighting - Lighting of work places - Part 1: Indoor work places. Brussels; 2011.