Welsh, John Elliott
VIAF ID: 30814017 ( Personal )
Permalink: http://viaf.org/viaf/30814017
Preferred Forms
- 100 1 _ ‡a Welsh, John Elliott
Works
Title | Sources |
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Biostratigraphy of the Pennsylvanian and Permian systems ... 1960. |
Title | Sources |
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Biostratigraphy of the Pennsylvanian and Permian systems ... 1960. |