1. Ultraviolet Germicidal Irradiation Handbook
2. A radiometry protocol for UVGI fixtures using a moving-mirror type gonioradiometer;Zhang;Journal of Occupational and Environmental Health,2012
3. Lumalier UV Surface and Air Disinfection WM-8-9 ft Ceiling. WM-136 Ordering Information http://www.lumalier.com/index.php?option=com_k2&view=item&id=100:wm-8-9 ft-ceiling&Itemid=89
4. Philips 2006 Ultraviolet Purification Application Information http://www.lighting.philips.com/pwc_li/main/application_areas/assets/images/Purification/Philips%20UV%20Technology%20brochure.pdf