1. H. Lee and K. Neville, Handbook of Epoxy Resins, McGraw-Hill, 6–3 and 6–61 (1967).
2. Warfield and Petree, The Temperature Dependence and Activation Energy of Electrical Conduction in High Polymers, AVORD Report, 6246 (1958).
3. A.S.T.M. Spec., D494–496.
4. A.S.T.M. Spec., D2471–68.
5. Delmonte, SPE Symposium, Minneapolis, Minnesota, October 1958.