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Xu, W., R. A. Marshall, J. Bortnik, and J. Bonnell (2021), An Electron Density Model of the D-and E-region Ionosphere for Transionospheric VLF Propagation, J. Geophys. Res. Space Physics, 126, e2021JA029288.
Xu, W., R. A. Marshall, and W. K. Tobiska (2021). A Method for Calculating Atmospheric Radiation Produced by Relativistic Electron Precipitation, Space Weather, 19, e2021SW002735, doi:10.1029/2021SW002735.
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Xu, W., R. A. Marshall, A. Kero, E. Turunen, D. Drob, J. Sojka, and D. Rice (2019), VLF Measurements and Modeling of the D-region Response to the 2017 Total Solar Eclipse, IEEE Transactions on Geoscience and Remote Sensing, 57, 10, doi:10.1109/TGRS.2019.2914920.
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Xu, W., S. Celestin, and V. P. Pasko (2012), Source altitudes of Terrestrial Gamma-ray Flashes produced by lightning leaders, Geophys. Res. Lett., 39, L08801, doi:10.1029/2012GL051351.
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