@article{HimmelstossVotzi,
  author    = {Himmelstoß, Felix and Votzi, Helmut},
  title     = {Feedforward Control of Quadratic Converters},
  series = {WSEAS Transactions of Circuits and Systems},
  volume    = {20},
  journal   = {WSEAS Transactions of Circuits and Systems},
  number    = {2021},
  pages     = {147 -- 155},
  subject      = {DC/DC converters},
  language  = {en}
}
@article{HimmelstossVotzi,
  author    = {Himmelstoß, Felix and Votzi, Helmut},
  title     = {Converter for the Drive of two Brushed DC motors},
  series = {WSEAS Transactions of Circuits and Systems},
  volume    = {15},
  journal   = {WSEAS Transactions of Circuits and Systems},
  number    = {2020},
  pages     = {249 -- 256},
  subject      = {brushed DC machine},
  language  = {en}
}
@article{VotziHimmelstossErtl,
  author    = {Votzi, Helmut and Himmelstoß, Felix and Ertl, Hans},
  title     = {Active Hybrid Filter Applied with a Multi-Cell Switch-Mode Power Amplifier},
  series = {Power Electronics and Motion Control PEMC 2018, 27-29 August 2018, Budapest, Hungary},
  journal   = {Power Electronics and Motion Control PEMC 2018, 27-29 August 2018, Budapest, Hungary},
  subject      = {Amplifier},
  language  = {en}
}
@article{HimmelstossVotzi,
  author    = {Himmelstoss, Felix and Votzi, Helmut},
  title     = {Simple Chargers for a Small DC Micro-Grid for a Home Emergency Power System},
  series = {Electricity},
  volume    = {4},
  journal   = {Electricity},
  number    = {3},
  doi       = {https://doi.org/10.3390/electricity4030013},
  pages     = {216 -- 234},
  subject      = {micro-grid},
  language  = {en}
}