Götzö, Stephan P., and Dieter Seebach. “Preparation of (R)- and (S)-3-Hydroxy-2-(trifluoromethyl)propionic Acid by Resolution With (R,R)- and (S,S)-2-Amino-1-Phenylpropane-1,3-Diol”. CHIMIA, vol. 50, no. 1-2, Feb. 1996, p. 20, doi:10.2533/chimia.1996.20.