Water supply of the Njikoka and Awka areas of the Anambra Basin, Nigeria
Tài liệu tham khảo
Burfer, 1972, Constituents and properties of water in Pettijohn, W.A., 24
Edward E. Johnson, Inc., 1951, The Chemistry of Water, Bulletin No. 1237
Hem, 1970, Study and interpretation of chemical characteristics of natural water, U.S. Geol. Survey Water-Supply, Paper No. 1473
Johnson, 1975, Groundwater and Wells, 55165
Linsley, 1979
Ofomata, 1964, Soil erosion in the Enugu/Region of Nigeria, Afr. Soils, IX, 289
Ogbukagu, 1976, Soil erosion in the northern parts of AwkaOrlu Uplands, J. Min. Geol., 13, 6
Ogbukagu, 1978, Properties and provenance of the Nanka Sands, Cahiers Géologiques, 94, 222
Ogbukagu, 1979, Geology of the Agulu/Nanka gullies and environs, Ghana J. Sci., 18
Ogbukagu, 1984, Hydrology and chemistry of surface and groundwater reources of the Aguata area, S.E. Nigeria, J. Afr. Earth Sci., 2, 109
Preez, 1965, The distribution and chemical qualities of groundwater in northern Nigeria, Geol. Surv. Niger. Bull., 36
Rayment, 1965
Simpson, 1954, The geology of parts of Onitsha, Owerri and Benue Provinces, Geol. Surv. Niger. Bull., 24, 1
Tebbutt, 1977
Todd, 1980
Walton, 1970
World Health Organization, 1971