The genus Youngia /
| Main Author: | |
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| Other Authors: | |
| Format: | Book |
| Language: | English |
| Published: |
Washington, D.C. :
Carnegie Institution of Washington,
1937.
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| Series: | Carnegie Institution of Washington publication ;
484. |
| Subjects: |
| Physical Description: | 2 pages ., 106 pages : illustrations, 5 plates on 4 . ; 26 cm. |
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