1. Bagnato, E., Aiuppa, A., Parello, F., D’alessandro, W., Allard, P., & Calabrese, S. (2009). Mercury concentration, speciation and budget in volcanic aquifers: Italy and Guadeloupe (Lesser Antilles). Journal of Volcanology and Geothermal Research, 179(1), 96–106.
2. Cai, Z. H. (1980). Earth tides and seismic waves recorded by the level fluctuations in a deep borehole at Wali near Beijing. Acta Seismologica Sinica, 2(2), 205–214. (in Chinese).
3. Campbell, W. H. (2009). Natural magnetic disturbance fields, not precursors, preceding the Loma Prieta earthquake. Journal of Geophysical Research, 114, A05307.
https://doi.org/10.1029/2008JA013932
.
4. Cao, X. L., Xue, J., Wang, H. S., Li, Y. C., & Li, Y. (2002). Dynamic tendency of underground water level and its imminent anomalies. Earthquake, 22(1), 97–103. (in Chinese).
5. Cao, X. L., & Zhang, S. X. (1999). Analysis of water level dynamics and anomalies of earthquake precursors in Wanquan well. Acta Seismologica Sinica, 21(3), 323–328. (in Chinese).