S. Rabbani, O. Schwardt, and B. Ernst, “Glycosyltransferases: An Efficient Tool for the Enzymatic Synthesis of Oligosaccharides and Derivatives as well as Mimetics Thereof”, Chimia, vol. 60, no. 1-2, p. 23, Feb. 2006, doi: 10.2533/000942906777675047.