D. O'Connell, and R. Creed. Proceedings of the Thirty-Eighth Workshop on Geothermal Reservoir Engineering, SGP-TR-198, Stanford University, (February 2013)
R. Gritto, S. Yoo, and S. Jarpe. Proceedings of the Thirty-Eighth Workshop on Geothermal Reservoir Engineering, SGP-TR-198, Stanford University, (February 2013)
O. Koch, S. Helwig, N. Meqbel, and DESERT Group. Proceedings of the 17th Workshop on Electromagnetic Induction in
the Earth, Hyderabad, India, IAGA, (2004)
J. Beall, M. Wright, A. Pingol, and P. Atkinson. GRC Transactions, Geothermal Resources Council, 34, page 1203--1208. Davis, California, Geothermal Resources Council, (2010)