机译:Variations and trends of biologically effective doses of solar ultraviolet radiation in Asia, Europe and South America from 1999 to 2007
Biophysics Laboratory and Research Information Center for Extremophiles,Faculty of Science, Rikkyo University, Tokyo, Japan;
Physics Department, Aristotle University of Thessaloniki, Thessaloniki,Greece;
Belgian Institute of Space Aeronomy, Brussels, Belgium;