> Multivolume work
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[Hauptbd.]:
Geological atlas of Western and Central Europe [Hauptbd.] Peter A. Ziegler
The Hague: Shell Internationale Petroleum Maatschappij, 1990
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[Enclosures]:
Geological atlas of Western and Central Europe [Enclosures] Enclosures Peter A. Ziegler
The Hague: Shell Internationale Petroleum Maatschappij, 1990