@book{BolzBahrGustrau2009,
  author    = {Bolz, Thomas and Bahr, A. and Gustrau, Frank},
  title     = {Modellierung bipolarer Herzschrittmacher-Elektrodenanordnungen (10 Hz bis 1 MHz)},
  editor    = {Bundesanstalt f{\"u}r Arbeitsschutz und Arbeitsmedizin,},
  publisher = {BAuA},
  address   = {Dortmund},
  pages     = {199},
  year      = {2009},
  language  = {de}
}
@incollection{K{\"o}hler2009,
  author    = {K{\"o}hler, Dennis},
  title     = {Artificially enlightened urban spaces at night},
  series = {Quality of life and working life in comparison},
  publisher = {Peter Lang},
  address   = {Frankfurt am Main},
  pages     = {16},
  year      = {2009},
  language  = {en}
}