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Ralph Haenel
10 cilt bulundu.
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The Urach geothermal project, (Swabian Alb, Germany)
Ralph Haenel · Schweizerbart'sche Verslagsbuchhandlung
419 sayfa · 1982
Geothermal resources / Geophysics / Geology
Geothermics and geothermal energy
Vladimír Čermák, Ralph Haenel · E. Schweizerbartʼsche Verlagsbuchh.
299 sayfa · 1982
Earth temperature / Congresses / Geothermal resources
Atlas of subsurface temperature in the European Community
Ralph Haenel · Commission of the European Communities, Directorate-General, Scientific and Technical Information and Information Management
43 sayfa · 1979
Earth temperature / Maps / Geothermal resources