Scientific journal publication Extensive reduction of surface UV radiation since 1750 in world’s populated regions. Kvalevåg, M.M.; Myhre, G.; Myhre, C.L. Publication details Journal: Atmospheric Chemistry and Physics, 9, 7737–7751, 2009 DOI: 10.5194/acp-9-7737-2009 Link: acp-9-7737-2009