M. Acs, C. von dem Bussche, and D. Seebach, “An Efficient Method of Preparing (R)- and (S)-4,4,4-Trifluoro9-3-hydroxybutanoic Acid: Resolution with (R)- or (S)-1-Phenylethylamine”, Chimia, vol. 44, no. 4, p. 90, Apr. 1990.