1. Donaldson, I. G. Personal communication.
2. Geothermal Report No. 5;DSIR;Report on Geothermal Survey at Broadlands,1968
3. Exploitation of a limited two-phase reservoir;Grant,1976
4. Grant, M. A. Unpublished paper.
5. Observations of the effect of a three-year shutdown at Broadlands geothermal field, New Zealand;Hitchcock,1975