Alexander Gerst: Temporal Changes in Seismic Anisotropy as a New Eruption Forecasting Tool. 1. Januar 2003, doi:10.26686/wgtn.16910776.v1 (wgtn.ac.nz [abgerufen am 15. Mai 2023] Open Access Te Herenga Waka-Victoria University of Wellington).
Alexander Gerst: Temporal Changes in Seismic Anisotropy as a New Eruption Forecasting Tool. 1. Januar 2003, doi:10.26686/wgtn.16910776.v1 (wgtn.ac.nz [abgerufen am 15. Mai 2023] Open Access Te Herenga Waka-Victoria University of Wellington).