S. Tulasi Ram

A comparison of ionospheric O+/light‐ion transition height derived from ion‐composition measurements and the topside ion density profiles over equatorial latitudes

C. Liu, R. Heelis, S. Tulasi Ram, 2010 .

Unique latitudinal shape of ion upper transition height (HT) surface during deep solar minimum (2008–2009)

R. Heelis, S. Su, S. Tulasi Ram, 2015 .