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2. Volcanic activity at Mt. Ruapehu from August to December 1945;Beck;N.Z. J. Sci. Technol., Sect. B,1950
3. An Introduction to the Theory of Seismology;Bullen,1947
4. Geothermal ground noise amplitude and frequency spectra in the New Zealand volcanic region;Clacy;J. Geophys. Res.,1968
5. The nature and assessment of heat flow from hydrothermal areas;Dawson;N.Z. J. Geol. Geophys.,1964