GARBA, L.; B EWA, I. O.; OLADIPO, M. O. A.; OMEJE, C. U. RARE EARTH ELEMENT DISTRIBUTION PATTERNS IN THE SOILS AROUND THE NIGERIAN RESEARCH REACTOR-1, (NIRR-1) IN ZARIA, NIGERIA. European Scientific Journal, ESJ, v. 8, n. 16, 28 Jul. 2012.