Civic and economic biology /
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| OCLC: | 4757213 |
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| 主要作者: | |
| 語言: | English |
| 出版: |
Philadelphia :
P. Blakiston's Son & Co.
[c1922]
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| 主題: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| 實物描述: | xv, 470 p. illus. 21 cm. |
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| 讀者: | High School, 10th grade. |