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Gerekos, Christopher (2012). The Tesla Coil(PDF) (Thesis). Thesis. Physics Dept., Université Libre de Bruxelles, Brussels, Belgium. pp. 20–22. Archived from the original(PDF) on October 1, 2015. Retrieved July 27, 2015., reprinted on The Zeus Tesla Coil, HazardousPhysics.com
Gerekos, Christopher (2012). The Tesla Coil(PDF) (Thesis). Thesis. Physics Dept., Université Libre de Bruxelles, Brussels, Belgium. pp. 20–22. Archived from the original(PDF) on October 1, 2015. Retrieved July 27, 2015., reprinted on The Zeus Tesla Coil, HazardousPhysics.com