1. J. B. Jones, J. F. Beck, “Application of Biochemical Systems in Organic Synthesis” Part I, J. B. Jones, C. J. Sih, D. Perlman, Ed., Wiley, New York, N.Y., 1976, p. 107–401.
2. G. Bredig, P. S. Fiske, Biochem. Z., 46, 7 (1912).
3. V. Prelog, M. Wilhelm, Helv. Chim. Acta, 37, 1634 (1954).
4. For a review see: H. Pracejus, Fortsch. Chem. Forsch., 8, 493 (1967).
5. H. Pracejus, Ann., 634, 9 (1960).