1. Introduction to Analytical Electron Microscopy;Hren,1979
2. Electron Microprobe Analysis;Reed,1993
3. Scanning Electron Microscopy and X-Ray Microanalysis;Goldstein,1994
4. Quantitative Electron-Probe Microanalysis;Scott,1995
5. Barium and strontium in silicates;Ingamells;Anal. Chim. Acta,1971