@misc{LiebetrauMaukyWeinrichetal.2019,
  author    = {Liebetrau, Jan and Mauky, Eric and Weinrich, S{\"o}ren and Daniel-Gromke, Jaqueline},
  title     = {Flexible Biogas Systems. Biosystems Engineering Conference, Tartu, Estland, Mai 2019},
  year      = {2019},
  language  = {en}
}