1. Transmission line vibration due to sleet;Den Hartog;Transaction of American Institute of Electrical Engineers,1932
2. Conductor galloping: part I - Den Hartog mechanism;Nigol;IEEE Transactions on Power Apparatus and System,1981
3. Conductor galloping: part II – torsional mechanism;Nigol;IEEE Transactions on Power Apparatus and System,1981
4. Stability of subconductors of smooth circular cross-section;Simpson;Proceedings of the Institution of Electrical Engineers,1970
5. M. Liao, Galloping of bundle transmission lines, Ph.D thesis, University of Manitoba, Winnipeg, Canada, 1996.