@article{Griesshammer2018,
  author    = {Rainer Grießhammer},
  title     = {40 Jahre {\"O}ko-Institut},
  journal   = {Badische Heimat},
  volume    = {98},
  number    = {3},
  pages     = {333 -- 339},
  doi       = {10.57962/regionalia-17121},
  year      = {2018},
}