1971
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| Volume 5 (1971) : | Shallow-water sedimentation as illustrated in the Upper Devonian Baggy Beds |
| Volume 6 (1971) : | Late Pre-cambrian Glaciation In Scotland |
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Volume 5 (1971) : Shallow-water sedimentation as illustrated in the Upper Devonian Baggy Beds Volume 6 (1971) : Late Pre-cambrian Glaciation In Scotland