1. IEEE Standard 1243, IEEE Guide for Improving the Lightning Performance of Transmission Lines, 1997.
2. CIGRE Working Group 33.01, Guide to Procedures for Estimating the Lightning Performance of Transmission Lines 1991; CIGRE Monograph No. 63.
3. Application of special arresters on 138 kV lines of Appalachian Power Company;Shih;IEEE Transactions on PA&S,1985
4. Use of line surge arresters for the improvement of the lightning performance of 63 kV and 90 kV shielded and unshielded transmission lines;Sadovic;IEEE Transactions on Power Delivery,1997