IES RP 23 : 1989
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
IES RECOMMENDED PRACTICE FOR THE LUMEN METHOD OF DAYLIGHT CALCULATIONS
23-07-2013
12-01-2013
Describes the Lumen method - a simple analysis procedure - used under predetermined conditions of time of day, day of year, site location, latitude and longitude, and sky conditions.
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