Kupfermanganschwärze: Mineral information, data and localities.
Fossilien an deutschen Küsten: Finden und Bestimmen (Quelle & Meyer Bestimmungsbücher) : Rudolph, Frank, Bilz, Wolfgang, Pittermann, Dirk: Amazon.de: Bücher
Fossil Hunting: An Expert Guide to Finding, and Identifying Fossils and Creating a Collection: Parker, Steve: 0783324867954: Amazon.com: Books
Bibliography of climate literature - E Schweizerbart Science Publishers
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Universities, Sustainability and Society: Supporting the Implementation of the Sustainable Development Goals
Deposits Formed by Sedimentation and Weathering | SpringerLink