1 Електронні книги від Jurgen Wohlenberg
Rolf Emmermann & Jurgen Wohlenberg: German Continental Deep Drilling Program (KTB)
In October 1986 the German Minister for Research and Technology (Bundesminister f Ur Forschung und Technologie), Dr. H. Riesenhuber, officially announced that the super-deep borehole of the Continent …
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