Rick Friedrich (2022). Exploring the Resonance Inductive Coupler Kit
Rick Friedrich. 2022. Resonance Induction Coupler Kit II: Earth & Air Ground Open Circuits with Distributed Resonators Set Free from Forced Decaying Oscillations. Alethea In Heart Publishing, USA. Available from r-charge.net/resonance-induction-coupler-kit-part-2.html.