1Gudmundsson J S, Pdlmason. G. The geothermal industry in Iceland [J]. Geothermics, 1987, 16 (5/6) : 567-573.
2Proceedings of the introduction papers. International promotional workshop on products ~ technologies for low temperature geothermal industry, Oradea, Romania, 28- 29 May 1994[Z]. Fuel and Energy Abstracts, 1995,36(3) :202.
4Gudmundsson J s, Pdlmason. G. The geothermal industry in Iceland[J]. Geothermics, 1987, 16(5 / 6): 567=573.
5Proceedings of the introduction papers. Internationa promotional workshop on products 8L technologies folow temperature geothermal industry, oradea, Romania, 28-29 May 1994[Z] . Fuel and Energy Abstracts 1995, 36(3): 202.
