The land resources of North East Nigeria. Vol.4 : present and potential land use /

by De Leeuw, P. N.
Published 1972

An analysis of Nigerian Savanna : I : the survey area and the vegetation developed over Bima sandstone /

by Ramsay, D. McC.
Published 1965

An analysis of Nigerian Savanna; IV : ordination of vegetation developed on different parent materials /

by Ramsay, D. McC.
Published 1966

An analysis of Nigerian Savanna; III : the vegetation of the middle Gongola region by soil parent materials /

by Ramsay, D. McC.
Published 1966

An ecological interpretation of aerial photographs in a savanna region in northern Nigeria /

by Zonneveld, I. S.
Published 1971