@article{Bontrup2017,
  author    = {Heinz-Josef Bontrup},
  title     = {Arbeitszeitverk{\"u}rzung in der Elektrizit{\"a}tswirtschaft},
  journal   = {WSI - Mitteilungen},
  volume    = {69},
  number    = {6},
  pages     = {460 -- 470},
  year      = {2017},
}