River Studies and Recommendations on Improvement of Niger and Benue
By Nedeco, Netherlands Engineering Consultants, The Hague. Pp. ix + 1000. (Amsterdam: North-Holland Publishing Company, 1959.) 140s.
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BALCHIN, W. River Studies in Nigeria. Nature 185, 274 (1960). https://doi.org/10.1038/185274a0
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DOI: https://doi.org/10.1038/185274a0