Haider, S. A. and Mahajan, K. K. (2014) Lower and Upper Ionosphere of Mars. Space Science Reviews, 182 (1-4). pp. 19-84. ISSN 0038-6308

Upadhayaya, A. K. and Mahajan, K. K. (2013) Ionospheric F-2 region: Variability and sudden stratospheric warmings. Journal of Geophysical Research: Space Physics, 118 (10). pp. 6736-6750. ISSN 2169-9380

Mahajan, K. K. and Kumar, Ashok and Lodhi, Neelesh and Singh, Sachchidanand (2012) Large scale magnetic fields and response of dayside Venus ionosphere. Planetary and Space Science, 63-64 (SI). pp. 24-35. ISSN 0032-0633

Mahajan, K. K. and Lodhi, Neelesh K. and Upadhayaya, Arun K. (2010) Observations of X-ray and EUV fluxes during X-class solar flares and response of upper ionosphere. Journal of Geophysical Research Atmospheres, 115. A12330-1-A12330-10. ISSN 0148-0227

Mahajan, K. K. and Lodhi, Neelesh K. and Singh, Sachchidanand (2010) Observations of electron density and electron temperature during large scale magnetic fields in the dayside Venus ionosphere and lesson for Mars. Geophysical Research Letters , 37. L06202-1-L06202-5. ISSN 0094-8276

Mahajan, K. K. and Lodhi, Neelesh K. and Singh, Sachchidanand (2009) Ionospheric effects of solar flares at Mars. Geophysical Research Letters , 36. L15207-1-L15207-5. ISSN 0094-8276