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Massenbewegungen in der Tongrube "Maria" (Westerwald) und deren Sanierung | = Mass movement in the clay mine "Tongrube Maria" (Westerwald, Germany) and the remedial measures | Herrmann, Richard A.; Töllers, Burkhard; Aepfelbach, Guido | 1998 | |
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Accelerated Roman soil erosion in the Mosel valley around Trier, Germany | Löhr, Hartwig | 1998 |