1. For an overview of enzymatic ADS, see: in Enzymes in Synthetic Organic Chemistry (), Elsevier, Oxford, 1994.
2. A. C. Spivey, B. I. Andrews, Recent Research Developments in Organic Chemistry, Vol. 4, Transworld Research Network, Trivandrum, India, 2001, in press.
3. Two-directional chain synthesis and terminus differentiation
4. Two-directional synthesis and its use in natural product synthesis