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Cenozoic alkali basaltic magmas of western Germany and their products of differentiation | Wedepohl, Karl Hans; Gohn, Emil; Hartmann, Gerald | 1994 | |
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Palaeomagnetic investigations of the tertiary and quaternary igneous rocks: I. Preliminary collections in the Eifel, Siebengebirge and Westerwald | Nairn, Alan E. M. | 1973 |