— Introduction on EHD thrusters, ionocrafts, lifters and lots of related information*NASA: Asymmetrical Capacitors for Propulsion (PDF)*Army Research Laboratory, Thomas B. Bahder:"Force on an Asymmetric Capacitor"
— Introduction on EHD thrusters, ionocrafts, lifters and lots of related information* NASA: Asymmetrical Capacitors for Propulsion (PDF)* Army Research Laboratory, Thomas B. Bahder:"Force on an Asymmetric Capacitor"