7 citations as recorded by crossref.

1. Significant ELF perturbations in the Schumann Resonance band before and during a shallow mid-magnitude seismic activity in the Greek area (Kalpaki) V. Christofilakis et al.
2. On the Difference in Physical Mechanisms of Different Depth Earthquakes and Their Ionospheric Response Patterns M. Rodkin & E. Liperovskaya
3. Seismicity Precursors and Their Practical Account V. Tritakis
4. Response of the ionospheric electron density to different types of seismic events Y. He et al.
5. Removing Solar Radiation Based on the Empirical Mode Decomposition Method for Seismo-Ionospheric Anomaly Before the M9.0 Tohoku Earthquake Y. HU et al.
6. On the Difference in Physical Mechanisms of Earthquakes at Different Depths and Their Ionospheric Response M. Rodkin & E. Liperovskaya
7. Estimates of disturbances of space vehicle orbits in the upper ionosphere prior to strong earthquakes A. Tertyshnikov & V. Skripachev