A High-Efficiency Split–Merge Charge Pump for Solar Energy Harvesting
IEEE Transactions on Circuits and Systems II: Express Briefs (2017) - Comments
doi: 10.1109/tcsii.2016.2581589  issn: 1549-7747  issn: 1558-3791 

Yu Wang, Na Yan, Hao Min, C.-J. Richard Shi