The category of relation.
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| Main Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Helsinki,
1929.
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| Series: | Suomalainen Tiedeakatemia, Helsingfors. Toimituksia, sarja B, niede ;
19, 2 |
| Subjects: |
| Physical Description: | 189 p. |
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