P. K. Jana and S. C. Nandi, “Depletion of Ozone and Its Effect on Night Airglow Intensity of Na 5893 at New Delhi (29oN, 77oE) and Halley Bay (76oS, 27oW),” Indian Journal of Physics, Vol. 79, No. 11, 2005b, pp. 11131317. - References - Scientific Research Publishing