Inthamoussou, F.A.; Pegueroles-Queralt, J.; Bianchi, F.D. "Control of a supercapacitor energy energy-storage-harvesting-and-catalysis system for microgrid applications" IEEE Transactions on Energy Conversion 28, 3, pp. 690 - 697. 2013 DOI: 10.1109/TEC.2013.2260752