@article{BontrupMarquardt2018,
  author    = {Heinz-Josef Bontrup and Ralf-Michael Marquardt},
  title     = {Nirwana-{\"O}konomie},
  journal   = {Gewerkschaftliche Monatshefte},
  volume    = {54},
  number    = {5},
  pages     = {326f.},
  year      = {2018},
}