1. R.S. Hockett, Test method for measuring surface metal contamination on silicon wafers by total reflection X-ray fluorescence spectrometry, Am. Soc. Test. Mater., Stand. F1526–F1594.
2. Surface chemical analysis — measurement of surface elemental contamination on silicon wafers by total reflection X-ray fluorescence spectroscopy (TXRF), Final Working Draft, ISO 14706 (1997).
3. Test method for the determination of residual surface contamination on silicon wafers by means of total reflection X-ray fluorescence spectroscopy (TXRF), SEMI stand., M33-0998.
4. P. Mertens, S. de Gendt, K. Kenis, Calibration accuracy of different Atomika TXRF 8010 instruments, IMEC-internal report, July 1996.
5. S. Degendt, TXRF Round Robin and VPD Round Robin test, Lecture at 7th TXRF conference, Austin, Texas, 1998.