1. Benson, S. M., Daggett, J. S., Iglesias, E., Arellano, V. and Ortiz-Ramirez, J. (1987) Analysis of thermally induced permeability enhancement in geothermal injection wells, Proc. 12th Workshop on Geothermal Reservoir Engineering, Stanford University, Calif. pp. 57–65.
2. The Krafla Geothermal Field, Iceland: 1. Analysis of well test data