Summary of research paper submitted to Atmospheric Chemistry and Physics titled: Optical and microphysical characterization of aerosol layers over South Africa by means of multi-wavelength polarization Raman lidar measurements: highlighted local research - Giannakaki, E.; Komppula, M.; Van Zyl, PG; Muller, D; Balis, D. (Clean Air Journal= Tydskrif vir Skoon Lug, 2016)