German hydrogeological maps prepared for Operation ‘Sealion’: the proposed invasion of England in 1940
| Autor: | Rose, Edward P.F., Mather, John D., Willig, Dierk |
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| Zdroj: | In Proceedings of the Geologists¿ Association 2002 113(4):363-379 |
| Databáze: | ScienceDirect |
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