Upper Silurian and Lower Devonian graptolites and...

Upper Silurian and Lower Devonian graptolites and graptolite biostratigraphy, northern Yukon, Canada

Lenz, Alfred C.
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Volume:
25
Language:
english
Journal:
Canadian Journal of Earth Sciences
DOI:
10.1139/e88-039
Date:
March, 1988
File:
PDF, 2.48 MB
english, 1988
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