Title: |
Givetian (Middle Devonian) brachiopod–goniatite–correlation in the Dra Valley (Anti-Atlas, Morocco) and Bergisch Gladbach–Paffrath Syncline (Rhenish Massif, Germany) |
Source: |
Special publication - Geological Society of London
[0305-8719]
Ebbighausen,
V
yr:2007
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