El seguro social del campo en Sonora /
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| OCLC: | 19297223 |
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| 主要作者: | |
| 企業作者: | |
| 語言: | Spanish |
| 出版: |
[1964]
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| 主題: | |
| 格式: | Thesis Monograph Note that CRL will digitize material from the collection when copyright allows. |
| 實物描述: | 129 ̋. maps, diagrs. (1 fold.) tables. 28 cm. |
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| 參考書目: | Includes bibliographical references. |
| Place of Publication: | Mexico. |