@misc{Schmickler2008,
  author    = {Schmickler, F.-P.},
  title     = {Solare Trinkwassererw{\"a}rmung Anwendungen in Studentenwohnheimen, Seniorenheimen, Krankenh{\"a}usern, Hallenb{\"a}dern und auf Campingpl{\"a}tzen VDI 6002-2},
  year      = {2008},
  language  = {de}
}
@misc{Schmickler2008,
  author    = {Schmickler, F.-P.},
  title     = {Wassersparen in der Sanit{\"a}rtecchnik VDI 6024},
  year      = {2008},
  language  = {de}
}