Sethi, N. K. and Dabas, R. S. and Bhawre, Purshottam and Sarkar, S. K. (2009) Bottomside profile shape parameters during low solar activity and comparisons with IRI-2007 model. Journal of Atmospheric and Solar-Terrestrial Physics , 71 (17-18). pp. 1935-1942. ISSN 1364-6826

Dabas, R. S. and Sharma, Kavita and Das, Rupesh M. and Sethi, N. K. and Pillai, K. G. M. and Mishra, A. K. (2008) Ionospheric modeling for short- and long-term predictions of F region parameters over Indian zone. Journal of Geophysical Research Atmospheres, 113 (A03306). pp. 1-10. ISSN 0148-0227

Sethi, N. K. and Dabas, R. S. and Upadhayaya, A. K. (2008) Midday bottomside electron density profiles during moderate solar activity and comparison with IRI-2001. Advances in Space Research, 43 (6). pp. 973-983. ISSN 0273-1177

Sethi, N. K. and Dabas, R. S. and Sarkar, S. K. (2011) Validation of IRI-2007 against TEC observations during low solar activity over Indian sector. Journal of Atmospheric and Solar-Terrestrial Physics , 73 (7-8). pp. 751-759. ISSN 1364-6826

Sethi, N. K. and Dabas, R. S. and Sharma, Kavita (2008) Comparison between IRI predictions and digital ionosonde measurements of hmF2 at New Delhi during low and moderate solar activity. Journal of Atmospheric and Solar-Terrestrial Physics , 70 (5). pp. 756-763. ISSN 1364-6826

Dabas, R. S. and Sharma, Kavita and Das, Rupesh M. and Pillai, K. G. M. and Chopra, Parvati and Sethi, N. K. (2008) A Prediction of Solar Cycle 24 Using a Modified Precursor Method. Solar Physics , 250 (1). pp. 171-181. ISSN 1573-093X