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Palaeoenvironment of the Eocene Eckfeld Maar lake (Germany) : implications from geochemical analysis of the oil shale sequence | Sabel, Martin; Bechtel, Achim; Püttmann, Wilhelm; Hoernes, Stephan | 2005 | |
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"Ölschiefer" der besonderen Art: Die Süßwasserkarbonate der Grube Stößchen | Felder, Marita; Gaupp, Reinhard; 036-990927b | 2004 | |
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Sedimentologie und Zyklizität laminierter eozäner Ölschiefer von Eckfeld/Eifel | Mingram, Jens | 1994 | |
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Stable isotope composition of siderite as an indicator of the paleoenvironmental history of oil shale lakes | Bahrig, Björn | 1989 |