@misc{indiciaedee4ef3abf8f, title = {Equatorial ion composition, 140-200 km, based on Atmosphere Explorer E data}, author = {Miller, N. J. and Grebowsky, J. M. and Hedin, A. E. and Spencer, N. W.}, year = {1993}, url = {https://ntrs.nasa.gov/citations/19940033548}, note = {Source identifier: 19940033548} }