1. IEC 60112 Ed. 4.0, 2003.
2. ASTM D3638–93 Standard Test Method for Comparative Tracking Index of Electrical Insulating Materials, Book of Standards; 1998; Vol. 10.02.
3. Safety of Information Technology Equipment, IEC 60950; International Electrotechnical Commission: Geneva, 1999.
4. ASTM D618 Practice for Conditioning Plastics and Electrical Insulating Materials for Testing
5. Mechanical properties of copper-clad laminate using composite naphthalene-phenyl-based epoxy as prepreg