Hebner, R. Flywheel batteries come around again. IEEE spectrum.
Cita Chicago (17th ed.)Hebner, R. "Flywheel Batteries Come Around Again." IEEE Spectrum .
Cita MLA (9th ed.)Hebner, R. "Flywheel Batteries Come Around Again." IEEE Spectrum, .
Atenció: Aquestes cites poden no estar 100% correctes.