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2. Stimulated emission of aluminium and titanium resonance lines at very low concentrations in a HF (high frequency) argon plasma;Robin;C.R. Acad. Sc. (Paris).,1975
3. Induction coupled plasma emission from a different angle;Lichte;ICP. Inf. Newsl.,1976
4. Demand-pull and science-push in multielement analysis;Margoshes;Anal. Chem.,1979