Wieland, F., Gloess, A. N., Keller, M., Wetzel, A., Schenker, S., & Yeretzian, C. (2012). On-Line Process Control of the Roast Degree of Coffee: Highlights of Analytical Chemistry in Switzerland. CHIMIA, 66(6), 443. https://doi.org/10.2533/chimia.2012.443