1. Journal of the American Chemical Society;Burroughs;September,1998
2. Approaches to testing the durability of materials used in the construction and maintenance of buildings
3. Guide to meteorological instruments and methods of observation. World Meteorological Organization, Geneva, Switzerland.
4. Martin JW, Saunders SC, Floyd LF, Wineburg JP. Methodologies for prediction of the service lives of coatings systems. United States Department of Commerce, National Institute of Standards and Technology. NIST Building Science Series 172.
5. Spectral ultraviolet-B radiation fluxes at the earth's surface: long term variations at 39°N, 77°W;Correll;Journal of Geophysical Research,1992