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| СФ | | 427323 | Kaolin deposits of the GDR in the northern region of the Bohemian massif [Текст] / ed. by M. Storr ; [ Ernst-Moritz-Arndt-Universitat Greifswald, Sektion Geologische Wissenschaften]. — Greifswald : Ernst-Moritz-Arndt-Universitat Greifswald, 1975. — III, 243 S. | |
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