@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{Baecker2016,
  author    = {B{\"a}cker, Carsten},
  title     = {DIN 1986-100 Entw{\"a}sserungsanlagen f{\"u}r Geb{\"a}ude und Grundst{\"u}cke / Arbeitsausschuss des NA 119-05-02 AA},
  year      = {2016},
  language  = {de}
}