@book{WahrburgEgert2015,
  author    = {Wahrburg, Ursel and Egert, Sarah},
  title     = {Die große Wahrburg/Egert Kalorien- \& N{\"a}hrwerttabelle.},
  edition   = {4. Auflage},
  publisher = {TRIAS},
  address   = {Stuttgart},
  isbn      = {978-3-8304-8329-8},
  year      = {2015},
  language  = {de}
}
@book{GellenbeckScheffoldRinschede2015,
  author    = {Gellenbeck, K. and Scheffold, K. and Rinschede, A.},
  title     = {Kosten und Nutzen von Trittbrettern an Heckladefahrzeugen bei der kommunalen Abfallsammlung},
  volume    = {16},
  address   = {K{\"o}ln},
  pages     = {72},
  year      = {2015},
  language  = {de}
}
@book{GellenbeckFlammeGallenkemperetal.2015,
  author    = {Gellenbeck, K. and Flamme, S. and Gallenkemper, B. and Rotter, S. and Kranert, M. and Quicker, P.},
  title     = {Tagungsband 14. M{\"u}nsteraner Abfallwirtschaftstage},
  volume    = {Band 16},
  address   = {M{\"u}nster},
  isbn      = {978-3-98111 42-5-6},
  pages     = {428},
  year      = {2015},
  language  = {de}
}
@book{BruecknerWahrburg2015,
  author    = {Br{\"u}ckner, Amely and Wahrburg, Ursel},
  title     = {Beraten mit dem Energiedichte-Prinzip - Medienpaket mit Mahlzeitenkarten},
  edition   = {1. Auflage},
  publisher = {aid infodienst},
  address   = {Bonn},
  isbn      = {978-3-8308-1192-3},
  year      = {2015},
  language  = {de}
}