Henry, D., & Goodge, J. Wavelength-Dispersive X-Ray Spectroscopy (WDS). Geochemical Instrumentation and Analysis. Retrieved from: http://serc.carleton.edu/research_education/geochemsheets/wds.html (n.d.).

Henry, D., & Goodge, J. Wavelength-Dispersive X-Ray Spectroscopy (WDS). Geochemical Instrumentation and Analysis. Retrieved from: http://serc.carleton.edu/research_education/geochemsheets/wds.html (n.d.).