@book{MaierPohlschmidt2010,
  author    = {Maier, Petra and Pohlschmidt, Monika},
  title     = {Nachlassverzeichnis von Gerhard Helbig : 29.12.1929 - 29.05.2008},
  year      = {2010},
  subject      = {Deutsch},
  language  = {de}
}