Development and Use of a Quantitative Method for Specification of Interior Illumination Levels, by BlackwellH. Richard, Director, Vision Research Laboratories, University of Michigan, August 1958. Dr. Blackwell is currently Director, Institute for Research in Vision, The Ohio State University.
2.
Excerpts from the Justification of Current Recommended Levels of Lighting, February 1972, by FryGlenn A., PhD., Regents Professor of the State of Ohio, Professor of Physiological Optics, The Ohio State University.
3.
The ies lighting handbook, 5th Edition, 1972.
4.
Project 30 A-70, 1971 Annual Report, Illuminating Engineering Research Institute. Dr. Smith's studies on field factors affecting visual performance are of critical manipulative concern to many industrial practices.
5.
Illumination Levels and Visual Performance, by Dr. BodmannH. W., International Lighting Review, 1962, Vol. VIII, No. 2.
6.
Productivity as a Factor in Lighting, by LoefEng C., International Lighting Review, 1971, Vol. XXII, No. 1.
7.
Proposed New Code, British Illuminating Engineering Society, May 1972.
8.
Occupational Safety and Health Act.
9.
Library Lighting, by MetcalfKeyes D., published by The Association of Research Libraries, 1970.
10.
International Association of Lighting Designers Newsletter, 1971.
