1. H. Akbari, R. Levinson, W. Miller, P. Berdahl, Cool Colored Roofs to Save Energy and Improve Air Quality, http://HeatIsland.LBL.gov.
2. W.A. Miller, H. Akbari, P. Berdahl, R. Levinson, et al., Proceedings of ASHRAE THERM VIII, Clearwater, FL, December 2004.
3. Energy Star website: http://www.energystar.gov/ia/partners/product_specs/eligibility/roofs_elig.pdf.