Downstream impact of river control : Sokoto Valley, Nigeria
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| OCLC: | 52626402 |
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| Hlavní autor: | |
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| Jazyk: | English |
| Vydáno: |
University of Cambridge,
England : 1983.
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| Médium: | Diplomová práce Monograph Microform Note that CRL will digitize material from the collection when copyright allows. |