@article{Himmelstoss,
  author    = {Himmelstoss, Felix},
  title     = {Design of State-Space Controllers with the Help of Signal Flow Graphs Shown for a Buck Converter},
  series = {WSEAS Transactions on Power Systems, Volume 21, 2022, pp. 421-429},
  volume    = {Volume 21},
  journal   = {WSEAS Transactions on Power Systems, Volume 21, 2022, pp. 421-429},
  doi       = {10.37394/23202.2022.21.46},
  pages     = {421 -- 429},
  subject      = {DC/DC converter},
  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}
}