1. Burnett, R. O., Butts, M., Cease, T. W., Centeno, V., Michel, G., Murphy, R. J., Phadke, A. (1994), Synchronized Phasor Measurements of a Power System Event, IEEE Winter Power Meeting, New York, NY, Paper No. 94-WM-178-4.
2. Computing overhead line parameters
3. Measurement of voltage phase for the French future defence plan against losses of synchronism
4. Overhead Line Parameters From Handbook Formulas And Computer Programs
5. Koglin, H. (1994), Estimation of Transmission Line Parameters by Evaluating Fault Data Records, Discussion of CIGRE Group 34, Paris, pp. 29-30.