1. Living with our sun's ultraviolet rays;Giese,1982
2. U.V.-A.;Parrish,1978
3. Daily totals of solar UVB radiation estimated from routine meteorological measurements;Webb;J. Climatol.,1986
4. American Society for Testing and Materials, AST 1981, Standard, solar constant and air mean zero solar spectral irradiance tables.
5. The development of a P.C. compatible automatic weather station;Al-Aruri;J. Meteorol.,1988