@article{WetterBrueggingKerkering2013,
  author    = {Christof Wetter and Elmar Br{\"u}gging and Marius Kerkering},
  title     = {Verfahren zur G{\"a}rrestaufbereitung in der Biogastechnik, Mai 2013},
  journal   = {Ingenieur Forum},
  number    = {2/2013},
  pages     = {44 -- 47},
  year      = {2013},
}