Giger, Rudolf. “High-Throughput Analysis, Purification, and Quantification of Combinatorial Libraries of Single Compounds: Focal Point: Medicinal Chemistry : ILMAC Congress: October 14, 1999”. CHIMIA, vol. 54, no. 1-2, Feb. 2000, p. 37, https://www.chimia.ch/chimia/article/view/2000_037.