Evolution above the species level.
| Main Author: | |
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| Format: | Book |
| Language: | English German |
| Published: |
London :
Methuen,
1959.
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| Subjects: |
| Item Description: | Translation, with a few alterations and additions, of the 2d edition of: Neuere Probleme der Abstammungslehre. |
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| Physical Description: | 419 pages : illustrations ; 24 cm. |
| Bibliography: | Includes bibliography. |