Blazina, Tim, and Lenny Winkel. “Using Multiple Geochemical Techniques to Investigate Rainfall As a Potential Source of Selenium to Soils: Highlights of Analytical Sciences in Switzerland”. CHIMIA 69, no. 9 (September 30, 2015): 547. Accessed March 29, 2024. https://www.chimia.ch/chimia/article/view/2015_547.