共 50 条
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- [39] DETERMINATION OF RARE-EARTH ELEMENTS IN ROCKS AND METEORITES BY RADIOACTIVATION METHOD JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1976, 30 (02): : 553 - 560
- [40] ATOMIC EMISSION DETERMINATION OF RARE-EARTH ELEMENTS AFTER CHROMATOGRAPHIC PRECONCENTRATION JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1986, 41 (12): : 1573 - 1577