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- [3] THE DETERMINATION OF LANTHANUM AND YTTRIUM IN TOTAL RARE EARTHS INDUSTRIAL LABORATORY, 1962, 28 (06): : 727 - 727
- [6] DETERMINATION OF TRACES OF RARE EARTHS AND YTTRIUM IN TUNGSTEN MINERALS INDUSTRIAL LABORATORY, 1971, 37 (04): : 541 - &
- [8] DETERMINATION OF RARE EARTHS IN RARE-EARTH CONCENTRATES BY NEUTRON ACTIVATION ANALYSIS JOURNAL OF RADIOANALYTICAL CHEMISTRY, 1970, 4 (02): : 347 - &
- [9] STUDIES ON ANALYSIS OF RARE EARTHS .2. SPECTROGRAPHIC DETERMINATION OF RARE EARTHS AND NON-RARE EARTH METALLIC ELEMENTS IN YTTRIUM OXIDE JAPAN ANALYST, 1971, 20 (02): : 215 - &