@article{HaenerWeideNassmacheretal.2022,
  author    = {Jurek H{\"a}ner and Tobias Weide and Alexander Naßmacher and Roberto Eloy Hern{\´a}ndez Regalado and Christof Wetter and Elmar Br{\"u}gging},
  title     = {Anaerobic Digestion of Pig Slurry in Fixed-Bed and Expanded Granular Sludge Bed Reactors},
  journal   = {energies},
  volume    = {2022},
  number    = {15,4414},
  pages     = {1 -- 17},
  doi       = {10.3390/en15124414},
  year      = {2022},
}