@article{Bontrup2018,
  author    = {Heinz-Josef Bontrup},
  title     = {Alternative Arbeitszeitverk{\"u}rzung},
  journal   = {Bl{\"a}tter f{\"u}r deutsche und internationale Politik},
  volume    = {50},
  number    = {3},
  pages     = {347ff.},
  year      = {2018},
}