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1st Author:
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Bisat, William S. 
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2nd Author:
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Hudson, R.G.S. 
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3rd Author:
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Year:
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1943 | 
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Title:
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The lower Reticuloceras (R1) goniatite succession in the Namurian of the North of England. | 
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Reference:
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Proceedings of the Yorkshire Geological Society, 24 (6): 383-440, fig.1, pl.23-30; Wakefield. | 
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Keywords:
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R1 goniatite succesion | 
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Link:
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