1. Ethylenimine polymers
2. 2) Y. Chujo and T. Saegusa : “Ring-Opening Polymerization”, p.239, Hanser, Munich (1993).
3. Polymerization of oxazolines
4. 4) D. A. Tomalia : “Handbook of Polymer Synthesis”, p.747, H. R. Kricheldorf Ed., Marcel Dekker, New York (1991).
5. 5) H. Uyama and S. Kobayashi : “Catalysis in Precision Polymerization”, p.399, S. Kobayashi Ed., John Wiley & Sons Inc., Chichester (1997).