Ancient dune fields and fluviatile deposits in the Rima-Sokoto river basin (N.W. Nigeria)
Subtitle: geomorphologic phenomena inrelation to quaternary changes in climate at the southern edge of the Sahara
By: [by] W.G. Sombroek and I.S. Zonneveld.
Contributors: Zonneveld, I S.
Series: Soil survey papers -- no. 5
Publisher: Soil Survey Institute
Published: 1971
Place of publication: Wageningen
Language: eng