IMPORTANT REFERENCE MATERIAL
1. Electricity and Matter, J. J. Thompson, New York, l906, Scribner’s Sons, and l904, Yale University.
2. Elementary Lecture on Electric Discharges, Waves, and Impulses and other Transients, C. P. Steinmetz, second edition, 1914, McGraw-Hill.
3. Theory and Calculation of Transient Electric Phenomena and Oscillations, C. P. Steinmetz, third edition, l920, McGraw-Hill. Section III Transients in Space, Chapter VIII, Velocity of Propagation of Electric Field.