[1] Philip J Potts, Margaret West. Portable X-Ray Fluorescence Spectrometry: Capabilities for in-situ Analysis. London: Royal Society of Chemistry, 2008.
[2] http://www.amptek.com/minix.html. 2012. 11.
[3] http://www.moxtek.com/x-ray-sources.html. 2012. 11.
[4] Gavin G Poludniowski, Philip M Evans. Med. Phys., 2007, 34(6): 2164.
[5] Gavin G Poludniowski. Med. Phys., 2007, 34(6): 2175.
[6] Flegontova E Y, Bakaleinikov L A. Journal of the Korean Physical Society, 2007, 51(1): 65.
[7] Tavora L M N, Gilboy W B, Morton E J. Radiation Physics and Chemistry, 2001, 61: 527.
[10] Podgorsak E B. Radiation Physics for Medical Physicists. Germany: Springer, 2006.
[11] Nicholas Tsoulfanindis. Measurement and Detection of Radiation. Washington: Taylor &Franic, 1995.