Potential costs of and benefits from diverting river flow for irrigation in the North China plain /
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| Main Author: | |
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| Format: | Thesis Book |
| Language: | English |
| Published: |
1967.
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| Subjects: |
| Item Description: | Typescript. |
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| Physical Description: | 257 leaves : ill. |
| Bibliography: | Bibliography: leaves 249-257. |