@incollection{Kirsch2013,
  author    = {Kirsch, Therese},
  title     = {Reasonable selection of sustainable sourcing measures in the food sector},
  series = {Holger Rogall et al. (Hrsg.): Jahrbuch Nachhaltige {\"O}konomie 2013 - 2014},
  booktitle = {Holger Rogall et al. (Hrsg.): Jahrbuch Nachhaltige {\"O}konomie 2013 - 2014},
  publisher = {Metropolis},
  address   = {Marburg},
  isbn      = {978-3-7316-1043-4},
  pages     = {443 -- 460},
  year      = {2013},
  language  = {en}
}
@incollection{RitterSander2014,
  author    = {Ritter, Guido and Sander, Thorsten},
  title     = {Sensorik - eine interdisziplin{\"a}re Wissenschaft im Aufbruch - Bedeutung f{\"u}r Qualit{\"a}tssicherung und Konsumenten},
  series = {Behrs Jahresbuch f{\"u}r die Lebensmittelwirtschaft 2014},
  booktitle = {Behrs Jahresbuch f{\"u}r die Lebensmittelwirtschaft 2014},
  publisher = {Behrs Verlag},
  address   = {Hamburg},
  isbn      = {978-3-95468-084-9},
  pages     = {125 -- 132},
  year      = {2014},
  language  = {de}
}
@incollection{RitterTitgemeyer2015,
  author    = {Ritter, Guido and Titgemeyer, Fritz},
  title     = {Fleisch - ein St{\"u}ck Lebenskraft?},
  series = {Burhenne, Verena Darf es ein bisschen mehr sein? Vom Fleischverzehr und Fleischverzicht},
  booktitle = {Burhenne, Verena Darf es ein bisschen mehr sein? Vom Fleischverzehr und Fleischverzicht},
  publisher = {LWL-Museumsamt f{\"u}r Westfalen},
  address   = {M{\"u}nster},
  isbn      = {978-3-927204-80-5},
  pages     = {85 -- 94},
  year      = {2015},
  language  = {de}
}
@incollection{StephanKolfhaus2015,
  author    = {Stephan, A. and Kolfhaus, Petra},
  title     = {Neues Dachlabel f{\"u}r nachhaltig erzeugte Lebensmittel},
  series = {Christian Bala und Wolfgang Schuldzinski (Hrsg.): Beitr{\"a}ge zur Verbraucherforschung Band 3, Der verantwortungsvolle Verbraucher},
  booktitle = {Christian Bala und Wolfgang Schuldzinski (Hrsg.): Beitr{\"a}ge zur Verbraucherforschung Band 3, Der verantwortungsvolle Verbraucher},
  address   = {D{\"u}sseldorf},
  isbn      = {978-3-86336-907-1},
  doi       = {10.15501/978-3-86336-907-1},
  pages     = {87 -- 108},
  year      = {2015},
  language  = {de}
}
@incollection{SpeckRohnEngelmannetal.2016,
  author    = {Speck, Melanie and Rohn, Holger and Engelmann, Tobias and Teitscheid, Petra and Langen, Nina},
  title     = {Indicator-based assessment for meals.},
  series = {Proceedings of the 20th Conference of the Environmental and Sustainability Management Accounting Network (EMAN},
  booktitle = {Proceedings of the 20th Conference of the Environmental and Sustainability Management Accounting Network (EMAN},
  address   = {L{\"u}neburg},
  pages     = {231},
  year      = {2016},
  language  = {en}
}
@incollection{GoebelScheiperFriedrichetal.2016,
  author    = {G{\"o}bel, Christine and Scheiper, Marie-Louise: and Friedrich, Silke and Teitscheid, Petra and Rohn, Holger},
  title     = {Entwicklung eines Leitbilds zur Nachhaltigkeit in der Außer-Haus-Gastronomie},
  series = {Leal, Walter (Hg.): Innovationen in der Nachhaltigkeitsforschung - Ein Beitrag zur Umsetzung der UN Nachhaltigkeitsziele},
  booktitle = {Leal, Walter (Hg.): Innovationen in der Nachhaltigkeitsforschung - Ein Beitrag zur Umsetzung der UN Nachhaltigkeitsziele},
  publisher = {Springer},
  address   = {Berlin, Heidelberg},
  pages     = {79 -- 102},
  year      = {2016},
  language  = {de}
}
@incollection{SpeckRohnTeitscheidetal.2016,
  author    = {Speck, Melanie and Rohn, Holger and Teitscheid, Petra and Langen, Nina},
  title     = {Assessing sustainable limits for meals - first results from the project NAH_Gast: Developing, Testing and Dissemination of concepts for sustainable production and consumption in the food service sector},
  series = {Conference: Global Cleaner Production \& Sustainable Consumption Conference Accelerating the Transition to Equitable Post Fossil-Carbon Societies, At Sitges, Spain},
  booktitle = {Conference: Global Cleaner Production \& Sustainable Consumption Conference Accelerating the Transition to Equitable Post Fossil-Carbon Societies, At Sitges, Spain},
  year      = {2016},
  language  = {en}
}
@incollection{GoebelTeitscheidFriedrichetal.2017,
  author    = {G{\"o}bel, Christine and Teitscheid, Petra and Friedrich, Silke and Langen, Nina and Speck, Melanie and Engelmann, Tobias and Rohn, Holger},
  title     = {Implementing Sustainable Business Models in the Hospitality Sector with the Help of a Mission Statement},
  series = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  booktitle = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  pages     = {323 -- 328},
  year      = {2017},
  language  = {en}
}
@incollection{EngelmannSpeckRohnetal.2017,
  author    = {Engelmann, Tobias and Speck, Melanie and Rohn, Holger and Bienge, Katrin and Langen, Nina and Howell, Eva and G{\"o}bel, Christine and Friedrich, Silke and Teitscheid, Petra and Liedtke, Christa},
  title     = {Sustainability assessment of out of-of-home meals: potentials and obstacles applying indicator sets NAHGAST Meal-Basis and NAHGAST Meal-Pro},
  series = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  booktitle = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  doi       = {10.18461/pfsd.2017.1735},
  pages     = {329 -- 338},
  year      = {2017},
  language  = {en}
}
@incollection{LangenBauskeDubraletal.2017,
  author    = {Langen, Nina and Bauske, Emily and Dubral, Ricarda and G{\"o}bel, Christine and Speck, Melanie and Engelmann, Tobias and Rohn, Holger and Teitscheid, Petra},
  title     = {Interventions to Guide Consumers towards Sustainable Nutrition out-of-home - the Perspective of Caterers vs. Guests},
  series = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  booktitle = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  pages     = {339 -- 348},
  year      = {2017},
  language  = {en}
}