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The 2005 Heidelberg and Speyer earthquakes and their relationship to active tectonics und the central Upper Rhine Graben | Ritter, Joachim R. R.; Wagner, M.; Bonjer, K.-P.; Schmidt, B. | 2009 | |
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Microearthquake-activity observed by a seismic network in the Rhinegraben region | Bonjer, K.-P.; Fuchs, Karl | 1974 |