@misc{indiciae063891a24d6a, title = {Three-dimensional ionospheric plasma circulation}, author = {Heelis, R. A. and Coley, W. R. and Loranc, M. and Hairston, M. R.}, year = {1992}, url = {https://ntrs.nasa.gov/citations/19920072500}, note = {Source identifier: 19920072500} }