ARMSTEAD, H. C. H. Geothermal energy: Its past, present and future contributions to the enrgy needs of man Second. E & F.N. Spon.
Cita Chicago Style (17a ed.)ARMSTEAD, H. Christopher H. Geothermal Energy: Its Past, Present and Future Contributions to the Enrgy Needs of Man Second. E & F.N. Spon.
Cita MLA (8a ed.)ARMSTEAD, H. Christopher H. Geothermal Energy: Its Past, Present and Future Contributions to the Enrgy Needs of Man Second. E & F.N. Spon.
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