Bruns, N., V. Köhler, R. Kramer, P. Mauleón, F. Monnard, and T. R. Ward. “Swiss Science Concentrates”.
CHIMIA
65, no. 9 (September 30, 2011): 743. Accessed April 18, 2025.
https://www.chimia.ch/chimia/article/view/2011_743
.