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- [4] EXCITATION OF THE SECONDARY X-RAY SPECTRUM BY MIXED PRIMARY RADIATION INDUSTRIAL LABORATORY, 1963, 29 (09): : 1155 - 1158
- [6] X-RAY EXCITATION OF LUTECIUM PROCEEDINGS OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, 1947, 43 (03): : 429 - 432
- [7] COMPARISON BETWEEN X-RAY AND ELECTRON EXCITATION IN X-RAY SPECTROMETRY MINING AND METALLURGY QUARTERLY, 1971, (2-3): : 177 - 182
- [8] USE OF DIRECT EXCITATION BY A BETA SPECTRUM IN ISOTOPIC X-RAY FLUORESCENT ANALYSIS TRANSACTIONS OF THE AMERICAN NUCLEAR SOCIETY, 1966, 9 (02): : 597 - +