Use without waste : units on conservation
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| OCLC: | 4455542 |
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| 主要作者: | |
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| 语言: | English |
| 出版: |
St. Louis :
Webster Pub. Co.,
1944.
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| 主题: | |
| 格式: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| 实物描述: | 168 p. : ill. ; 20 cm. |
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| 参考书目: | Includes bibliographies and index. |