1. Generation of X-rays;Arndt,1992
2. X-ray wavelenghts;Bearden;Rev. Mod. Phys.,1967
3. Reevaluation of X-ray atomic energy levels;Bearden;Rev. Mod. Phys.,1967
4. XCOM: Photon cross sections on a personal computer;Berger,1987
5. Uncertainties in thick-target pixe analysis;Campbell;Nucl. Instrum. Meth.,1983