C. Portela, J. Silva and M. Alvim, “Non-Conventional AC Solutions Adequate for Very Long Distance Transmission - An Alternative for the Amazon Transmission System,” Proceedings IEC/CIGRE UHV Symposium Beijing, article 2-2-5, Beijing, China, 2007, p. 29.
 Y. Song, B. Fan, Y. Bai, X. Qin and Z. Zhang, “Reliability and Economic Analysis of UHV half-Wave-length AC Transmission,” Transmission In IEEE International Conference on Power System (POWERCON), New Zealand, 2012.
 M. C. Tavares and C. Portela, “Half-Wave Length Line Energization Case Test-Proposition of a Real Test,” International Conference on High Voltage Engineering and Aplication (ICHVE), Chongqing, China, 2008.
 E. C. Gomes and M. C. Tavares, “Analysis of the Energization Test of a Half-Wavelength AC-Link Composed of Similar Transmission Lines,” Power and Energy Engineering Conference (APPEEC), 2011 Asia-Pacific , 25-28 March 2011,pp.1-5.
 C. Portela, M. C. Tavares, J. Pissolato Fo. and J. B. Gertrudes, “Earth Conductivity and Permittivity Data Measurements - Influence in Transmission Line Transient Performance,” Electric Power Systems Research, Vol. 76, No. 11, 2006, pp. 907-915. doi:10.1016/j.epsr.2005.11.006
 R. G. Fabian, F. B. Leao and J. R. S. Mantovani, “Simulation Environment of Distance Protection with ATP and Foreign Models,” in 2011 IEEE Electrical Power and Energy Conference (EPEC), 2011, pp. 146-151.