9 citations as recorded by crossref.

1. Geosystemics View of Earthquakes A. De Santis et al.
2. The influence of the ionospheric disturbance on the ground based VLF transmitter signal recorded by LEO satellite – Insight from full wave simulation S. Zhao et al.
3. New understanding achieved from 2 years of Chinese ionospheric investigations L. Liu & W. Wan
4. Precursory worldwide signatures of earthquake occurrences on Swarm satellite data A. De Santis et al.
5. Study on the relationship between the residual 27 day quasiperiodicity and ionospheric Q disturbances Z. Chen et al.
6. On global relative geo-effectiveness of solar wind structures during an intense geomagnetic storm: A case study of an intense geomagnetic storm driven by sandwich-structured CME V. Chukwuma et al.
7. Ionosonde Data Analysis in Relation to the 2016 Central Italian Earthquakes A. Ippolito et al.
8. On the significance of requisite criteria in detecting pre-earthquake ionospheric precursors: a case study of the Tohoku earthquake of March 11, 2011 V. Chukwuma et al.
9. Ionospheric anomalies detected by ionosonde and possibly related to crustal earthquakes in Greece L. Perrone et al.