%O Book %T Isotopes and Radiation Techniques in Soil and Water Conservation Studies in Africa (Regional Seminar, Khartoum, 29 Oct.-3 Nov. 1979) %A %U http://www.dgdingfa.net/publications/487/isotopes-and-radiation-techniques-in-soil-and-water-conservation-studies-in-africa-regional-seminar-khartoum-29-oct-3-nov-1979 %D 1980 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna
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