Armstead, H. C. H. (1983). Geothermal energy: Its past present and future contributions to the energy needs of man. E&FN Spon.
Chicago-stil citatArmstead, H. Christopher H. Geothermal Energy: Its Past Present and Future Contributions to the Energy Needs of Man. London: E&FN Spon, 1983.
MLA-referensArmstead, H. Christopher H. Geothermal Energy: Its Past Present and Future Contributions to the Energy Needs of Man. E&FN Spon, 1983.
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