7 citations as recorded by crossref.

1. Hydrogeoseismological Research in Kamchatka: 1977–2017 G. Kopylova & S. Boldina
2. Earthquake Precursors in the Ionic and Gas Composition of Groundwater: A Review of World Data G. Kopylova et al.
3. Electric currents streaming out of stressed igneous rocks – A step towards understanding pre-earthquake low frequency EM emissions F. Freund et al.
4. Ground Water Chemistry Changes before Major Earthquakes and Possible Effects on Animals R. Grant et al.
5. Groundwater–strain coupling before the 1999 M w 7.6 Taiwan Chi-Chi earthquake C. Chen et al.
6. Anomalous frequency characteristics of groundwater level before major earthquakes in Taiwan C. Chen et al.
7. Atypical Variations of Water Conductivity Prior to Tectonic Earthquakes F. Martínez-García et al.