@inproceedings{16661,
  author       = {{Romaus, C. and Bocker, J. and Witting, K. and Seifried, A. and Znamenshchykov, O.}},
  booktitle    = {{2009 IEEE Energy Conversion Congress and Exposition}},
  isbn         = {{9781424428939}},
  title        = {{{Optimal energy management for a hybrid energy storage system combining batteries and double layer capacitors}}},
  doi          = {{10.1109/ecce.2009.5316428}},
  year         = {{2009}},
}