1. Artificial Enzymes
2. A. E. Braunstein , in The Enzymes, ed. P. D. Boyer, Academic Press, New York, 1973, vol. 9
3. Transaminases, eds. P. Christen and D. E. Metzler, John Wiley, New York, 1985
4. Biochemistry of Vitamin B6 and PQQ, eds. G. Marino, G. Sannia and F. Bossa, Birkhauser Verlag, Basel, 1994
5. A. E. Evangolopoulos , Chemical and Biological Aspects of Vitamin B6 Catalysis, A. R. Liss, New York, 1984