1. S.K. Sanyal, J.W. Morrow, Success and the Learning Curve Effect in Geothermal Well Drilling – A World side Survey, Thirty-Seventh Workshop on Geothermal Reservoir Engineering/2012, Stanford, CA, SGP-TR-194. https://pangea.stanford.edu/ERE/db/IGAstandard/record_detail.php?id=8346.
2. Utilizing supercritical geothermal systems: a review of past ventures and ongoing research activities;Reinsch;Geotherm Energy,2017
3. The Iceland Deep Drilling Project: a search for deep unconventional geothermal resources;Fridleifsson;Geothermics,2005
4. Hydrothermal processes related to moment of fluid from plastic into brittle rock in the magmatic-epithermal environment;Fournier;Econ. Geol.,1999
5. The iceland deep drilling project (IDDP): planning for the second deep well at Reykjanes;Fridleifsson;GRC Trans.,2011