Upper Westphalian and Stephanian species of Alethopteris from Europe, Asia Minor and North America.
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| Main Author: | |
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| Format: | Thesis Book |
| Language: | English Dutch |
| Published: |
Maastricht :
Ernest van Aelst,
1968.
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| Subjects: |
Table of Contents:
- v. 1. Text
- v. 2. Plates.