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- [2] CONCENTRATION OF TRACE ELEMENTS BY EXTRACTION TECHNIQUE PRIOR TO SPECTROGRAPHIC DETERMINATION SPECTROCHIMICA ACTA, 1958, 13 (1-2): : 155 - 155
- [4] SPECTROGRAPHIC DETERMINATION OF TRACE ELEMENTS IN CEMENT ZEITSCHRIFT FUR ANALYTISCHE CHEMIE FRESENIUS, 1965, 208 (04): : 276 - &
- [7] SPECTROGRAPHIC DETERMINATION OF TRACE ELEMENTS IN CITRUS LEAVES JOURNAL OF THE SOUTH AFRICAN CHEMICAL INSTITUTE, 1965, 18 (02): : 92 - &
- [9] SPECTROGRAPHIC DETERMINATION OF TRACE ELEMENTS IN PALEOZOIC BRACHIOPOD SHELLS GEOCHEMISTRY INTERNATIONAL USSR, 1964, (01): : 32 - &
- [10] SPECTROGRAPHIC DETERMINATION OF TRACE-ELEMENTS IN ROCKS AND MINERALS JOURNAL OF ANALYTICAL CHEMISTRY OF THE USSR, 1981, 36 (07): : 876 - 882