Agriculture : science, technology and development : United States papers prepared for the United Nations conference on the application of science and technology for the benefit of the less developed areas
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| 企业作者: | |
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| 格式: | 图书 |
| 出版: |
Geneva :
United Nations,
1970
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| 主题: | |
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| 实物描述: | x, 262 p. : ill. ; 25 cm |
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| 参考书目: | Includes bibliographical references |
| ISBN: | NA |