9 citations as recorded by crossref.

1. Response of the Earth–ionosphere cavity resonator to the 11-year solar cycle in X-radiation G. Sátori et al. https://doi.org/10.1016/j.jastp.2004.12.006
2. Low-latitude D-region ionospheric response to C- and M-class solar flares revealed by VLF observations and LWPC modeling at Bengaluru, India B. Krishna et al. https://doi.org/10.1016/j.asr.2026.06.118
3. Long-term variations in tweek reflection height in the D and lowerEregions of the ionosphere H. Ohya et al. https://doi.org/10.1029/2011JA016800
4. Seasonal variations of nighttime D-region ionosphere in 2013 solar maximum observed from a low-latitude station L. Tan et al. https://doi.org/10.1186/s40623-015-0331-y
5. Nighttime D-region equivalent electron density determined from tweek sferics observed in the South Pacific Region S. Kumar et al. https://doi.org/10.1186/BF03353201
6. Study of ionospheric D region changes during solar flares using MF radar measurements L. Quan et al. https://doi.org/10.1016/j.asr.2020.10.015
7. New ideas on the D-region modeling A. Danilov https://doi.org/10.1016/S0273-1177(99)00891-1
8. An Intercomparison of VLF and Sounding Rocket Techniques for Measuring the Daytime D Region Ionosphere: Theoretical Implications D. Siskind et al. https://doi.org/10.1029/2018JA025807
9. Longitudinal variations of the electron concentration in the ionosphericD region G. Givishvili https://doi.org/10.1029/2004GI000083