Ezati Mosleh,M. , and Besmi,M. . "A New method for Stray Capacitance Calculation of a Helical Magneto Cumulative Generator, having an n Turns, Single-Layer Coil, and Conductor Wires Filament in Hollow Circular Form", The Modares Journal of Electrical Engineering, 10, 4, 2011, 1-19.