1. P. Weihs, A.W. Schmalwieser, G. Schauberger, UV effect on living organism,Encyclopedia of sustainability science and technology, edited by R.A. Meyers (Springer, New York, 2012), pp. 11375–11427
2. CIE 209:2014,Rationalizing nomenclature for UV doses and effects on humans, Joint publication of CIE and WMO; WMO/GAW Report No. 211 (International Commission on Illumination, Vienna, 2014)
3. CIE S 013/E:2003,International standard global solar UV index(International Commission on Illumination, Vienna, 2003)
4. ISO 17166:1999/CIE S 007/E-1998,Erythema reference action spectrum and standard erythema dose(International Organization for Standardization, Geneva, 1999)