1. (a) Hanessian, S., Total Synthesis of Natural Products: The Chiron Approach, Pergamon Press, Oxford, 1983;
2. (b) Brunner, H., Zettlmeier, W., Handbook of Enantioselective Catalysis, Vol. I and II, VCH, Weinheim, 1993;
3. (c) Sheldon, R.A., Chirotechnology, Marcel Dekker, New York, 1993;
4. (d) Ojima, J. (ed.), Catalytic Asymmetric Synthesis, VCH, New York, 1993;
5. (e) Gawley, R.E., Aub??, J., Principles of Asymmetric Synthesis, Pergamon Press/Elsevier, Oxford, 1996;