@article{VeerTeitscheid2010,
  author    = {Veer, Barbara and Teitscheid, Petra},
  title     = {Wie nachhaltig sind Molkereien?},
  series = {DMZ - Deutsche Molkerei Zeitschrift},
  journal   = {DMZ - Deutsche Molkerei Zeitschrift},
  number    = {21 und 22},
  year      = {2010},
  language  = {mul}
}
@article{KirschTeitscheid2012,
  author    = {Kirsch, Therese and Teitscheid, Petra},
  title     = {Nachhaltige Rohstoffbeschaffung: Effektivit{\"a}t statt Effizienz},
  series = {Verantwortung Zukunft},
  journal   = {Verantwortung Zukunft},
  number    = {4},
  pages     = {36 -- 37},
  year      = {2012},
  language  = {mul}
}