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_a"geothermal energy:its past, present and future contributions: _b to the ergy needs of man/ _c h.c. armstead" |
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_auk : _be & f.n. spon _c1978. |
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_a"xxvii, 357p.; _c24 cm." |
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| 504 | _aincludes bibliography | ||
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_ageothermal engineering _xgeothermal resources _918112 |
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