@article{HolligerAstalsLaclosetal.2021,
  author    = {Christof Holliger and Sergi Astals and H{\´e}l{\`e}ne Fruteau Laclos and Sasha D. Hafner and Konrad Koch and S{\"o}ren Weinrich},
  title     = {Towards a standardization of biomethane potential tests: A commentary},
  journal   = {Water Science and Technology},
  volume    = {83},
  number    = {1},
  pages     = {247 -- 250},
  doi       = {10.2166/wst.2020.569},
  year      = {2021},
}