1. Zh Zhang, R. Zeng, Zh Yu, Measurement of Corona Characteristics and Electromagnetic Environment of ±800 kV HVDC Transmission Lines under High Altitude Condition, Progress in Electromagnetics Research Symposium Proceedings, Moscow, Russia, August 18-21, 2009 61–65.
2. M.K. Simmelvuo, et al, Electric power system suppressing corona discharge from viewpoint of environment, European Patent Office, International publication number: WO 2005/043708 (12.05.2005 Gazette 2005/19).
3. Ozone generation by hollow-needle to plate electrical discharge in an ultrasound field;Pek´arek;J. Phys. D. Appl. Phys.,2004
4. Conditions for inception of positive corona discharges in air;Naidis;J. Phys. D. Appl. Phys.,2005
5. Trichel pulse characteristics—negative corona discharge in air;Sattari;J. Phys. D. Appl. Phys.,2011