1. and ?Handbook of Epoxy Resins,? pp. 1-5, McGraw-Hill, New York (1967).
2. and ?Polymerization of Aldehydes and Oxides,? pp. 129-133, 202-204, Interscience-Wiley, New York (1963).
3. For examples of patents, see U.S. 3,295,974 (1967)
4. and Can. 819,177 (1969)
5. U.S. 3,484,239 (1969),