IES recommended practice for the lumen method of daylight calculations
By: prepared by the IES Committee on Calculation Procedures.
Contributors: Illuminating Engineering Society of North America.
Publisher: Illuminating Engineering Society of North America
Published: 1989
Place of publication: New York, N.Y
Language: eng
Number of pages: 32
Subjects: Daylighting.; Lighting -- Standards.
Other titles: Recommended practice for the lumen method of daylight calculations
Notes: Cover title.

"IES-RP-23-1989."

"Approved June 22, 1989 ... as a Transaction of the Illuminating Engineering Society of North America."

Includes bibliographical references.