Bruns, N., V. Köhler, R. Kramer, P. Mauleón, F. Monnard, and T. R. Ward. “Swiss Science Concentrates”. CHIMIA 64, no. 12 (December 15, 2010): 885. Accessed May 4, 2024. https://www.chimia.ch/chimia/article/view/2010_885.