Our earth and the universe : a Graflex program developed and tested by teachers
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| OCLC: | 530567 |
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| 主要作者: | |
| 其他作者: | |
| 語言: | English |
| 出版: |
Rochester, N.Y.,
Graflex, Inc.
[c1963]
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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: | 14 l. With teacher's manual. |
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| 讀者: | Junior High School. |