@misc{GrueningSchmitz2020,
  author    = {Helmut Gr{\"u}ning and Thorsten Schmitz},
  title     = {Zentrale Filtration von Niederschlagsabfl{\"u}ssen},
  institution = {Energie · Geb{\"a}ude · Umwelt (EGU)},
  type      = {lecture},
  year        = {2020},
}