@misc{Baecker2018,
  author    = {B{\"a}cker, Carsten},
  title     = {VDI/BTGA/ZVSHK 6023 Blatt 2 Hygiene in Trinkwasser-Installationen - Gef{\"a}hrdungsanalyse},
  year      = {2018},
  language  = {mul}
}
@misc{Schmickler2018,
  author    = {Schmickler, F.-P.},
  title     = {Hygiene in Trinkwasser-Installationen Gef{\"a}hrdungsanalyse VDI/BTGA/ ZVSHK 6023 Blatt 2},
  year      = {2018},
  language  = {mul}
}
@misc{OPUS4-6444,
  title     = {Gutachter AiF},
  year      = {2014},
  language  = {mul}
}