Energy Storage via Carbon-Neutral Fuels Made From CO2, Water, and Renewable Energy. - Richard J. Pearson; Matthew D. Eisaman; James W. G. Turner; Peter P. Edwards; Zheng Jiang 004; Vladimir L. Kuznetsov; Karl A. Littau; Leon di Marco; S. R. Gordon Taylor (Proc. IEEE, 2012)

Characterization of a solid state air corona charging device. - Michael Young; Baomin Xu; Steve Buhler; Karl A. Littau (Sensors, Cameras, and Systems for Industrial and Scientific Applications, 2013)