- The Complete Patents of Nikola Tesla,
http://www.hbci.com/~wenonah/new/tesla.htm
- Nikola Tesla, Wikipedia, http://en.wikipedia.org/wiki/Nikola_Tesla
- Nikola Tesla Memorial Society of New York,
http://www.teslasociety.com/
- Induction Motors,
http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/indmot.html
- PBS Tesla-Master of Lightning,
http://www.pbs.org/tesla/ins/lab_tescoil.html
- University Physics With Modern Physics, New York, 2010, Wolfgang
Bauer, Gary Westfall
(1)-The Complete Patents of Nikola Tesla
(2)-Tesla Coil, Wikipedia
(3)-Nikola Tesla, Wikipedia