Migration of birds /
| Main Author: | |
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| Corporate Author: | |
| Other Authors: | , , |
| Format: | Government Document Book |
| Language: | English |
| Edition: | Rev. ed. |
| Series: | Circular (U.S. Fish and Wildlife Service) ;
16. |
| Subjects: |
| Physical Description: | iv, 119 pages : color illustrations, maps ; 24 cm. |
|---|---|
| Bibliography: | Bibliography: pages 102-114. |