31，Proceedings of the World Geothermal Congress. Italy, 1995.
42，Wang Guiling. Simulation of fractured low-temperature geothermal system by lumped parameter models. Proceedings of International Workshop on Groundwater and Environment,1992.
53，Bodvarsson G S. Mathematical modeling of the behavior of geothermal systems under exploitation. Ph.D.Thesis, University of California, Berkley, California,1982，353.
