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1st Author:
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Kullmann, Jürgen 
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2nd Author:
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Nikolaeva, Svetlana V. 
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3rd Author:
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Year:
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1995 | 
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Title:
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A Review of Upper Namurian ammonoid biostratigraphy. | 
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Reference:
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Newsletters on Stratigraphy, 32: 117-136, 10 figs., Berlin, Stuttgart. | 
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Keywords:
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Namurian ammonoid biostratigr. | 
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Link:
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