1. Boland W, Frößl C, Lorenz M (1991) Synthesis 1049
2. Fersht A (1985) Enzyme Structure and Mechanism, 2nd edn, Freeman, New York, p 405
3. Jones JB, Beck JF (1976) Asymmetric Syntheses and Resolutions using Enzymes. In: Jones JB, Sih CJ, Perlman D (eds) Applications of Biochemical Systems in Organic Chemistry, Wiley, New York, part I, p 107
4. Brady L, Brzozowski AM, Derewenda ZS, Dodson E, Dodson G, Tolley S, Turkenburg JP, Christiansen L, Huge-Jensen B, Norskov L, Thim L, Menge U (1990) Nature 343: 767
5. Blow D (1990) Nature 343: 694