1. The detection of atmospheric dust and temperature inversions by twilight scattering;Bigg;J. Meteor.,1956
2. A world-wide stratospheric aerosol layer;Junge;Science,1961
3. The possibility of investigating aerosol layers by twilight methods;Megrelishvili;Indian Jl. Meteor and Geophys.,1958
4. The intensity of the twilight and upper atmospheric dust;Volz;J. Atmos. Sci.,1962
5. Volz, F. E. , Goody, R. M. , 1960, Twilight intensity at 20° elevation. Scientific Report No. 1. Blue Hill Meteorological Obs.