Phosphate rock and phosphatic fertilizers in the world : (role of international aid).
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| Corporate Author: | |
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| Format: | Book |
| Language: | English |
| Published: |
Paris,
1972.
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| Series: | Technical papers
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| Subjects: |
| Item Description: | Text in French and English (p. 51-97). |
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| Physical Description: | 130 p. : tables. |