@article{Brueggemann2022,
  author    = {J{\"u}rgen Br{\"u}ggemann},
  title     = {Mining Area Agreement (BBFV) RUHR - Study regarding the effectiveness of a new form of cooperation},
  journal   = {Mining report Gl{\"u}ckauf},
  volume    = {157},
  number    = {5},
  pages     = {441 -- 449},
  doi       = {10.48771/5srt-y672},
  year      = {2022},
}