@incollection{WetterBrueggingRabenetal.2017,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar and Raben, Daniel and Leiers, Danja},
  title     = {Biogasbenchmark M{\"u}nsterland},
  series = {KTBL-Schrift 512 "Biogas in der Landwirtschaft - Stand und Perspektiven"},
  booktitle = {KTBL-Schrift 512 "Biogas in der Landwirtschaft - Stand und Perspektiven"},
  publisher = {FNR/KTBL},
  address   = {Bayreuth},
  isbn      = {978-3-945088-52-4},
  pages     = {436 -- 438},
  year      = {2017},
  language  = {de}
}
@article{WetterBrueggingLeiersetal.2020,
  author    = {Wetter, Christof and Br{\"u}gging, Elmar and Leiers, Danja and Wissel, Tim and St{\"u}rmer, B. and Anspach, V. and Scharfy, D.},
  title     = {Agricultural biogas production: A regional comparison of technical parameters},
  series = {Renewable Energy},
  volume    = {2020},
  journal   = {Renewable Energy},
  number    = {September},
  issn      = {0960-1481},
  pages     = {171 -- 182},
  year      = {2020},
  language  = {en}
}