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- [9] SENSITIVITY FACTORS FOR QUANTITATIVE SECONDARY ION MASS-SPECTROMETRY ANALYSIS OF TRACE-ELEMENTS IN COAL FLY-ASH JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1988, 6 (03): : 1079 - 1080
- [10] IMPORTANCE OF TRACE-ELEMENTS IN BIOSPHERE AND THEIR ACTIVATION-ANALYSIS ATOMKERNENERGIE, 1970, 15 (03): : 185 - &