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- [7] DISTRIBUTION PATTERNS OF RARE-EARTH ELEMENTS IN BIOLOGICAL-MATERIALS EVALUATED BY RADIOCHEMICAL NEUTRON-ACTIVATION ANALYSIS [J]. JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1983, 80 (1-2): : 129 - 139
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- [10] DETERMINATION OF RARE-EARTH AND OTHER TRACE-ELEMENTS IN ROCKS THROUGH NEUTRON-ACTIVATION ANALYSIS [J]. ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS, 1985, 57 (01): : 19 - 33