@incollection{RitterKraatz2011,
  author    = {Ritter, Guido and Kraatz, Alwine},
  title     = {Regulations and Requirements},
  series = {Bart, Hans-J{\"o}rg / Pilz, Stephan (Hrsg.) Industrial Scale Natural Products Extraction},
  booktitle = {Bart, Hans-J{\"o}rg / Pilz, Stephan (Hrsg.) Industrial Scale Natural Products Extraction},
  edition   = {1. Auflage},
  publisher = {Wiley-VCH},
  address   = {Weinheim},
  isbn      = {3-527-32504-2},
  pages     = {269 -- 290},
  year      = {2011},
  language  = {en}
}
@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{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{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{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{LangenRhozyelGoebeletal.2017,
  author    = {Langen, Nina and Rhozyel, Mounaim and G{\"o}bel, Christine and Speck, Melanie and Engelmann, Tobias and Rohn, Holger and Teitscheid, Petra},
  title     = {Displaying Sustainability Related Information on Meals - The Role of Design and Information Depth from a Consumer's Perspective},
  series = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  booktitle = {Proceedings in System Dynamics and Innovation in Food Networks 2017},
  pages     = {349 -- 359},
  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}
}
@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{RitterKraatz2011,
  author    = {Ritter, Guido and Kraatz, Alwine},
  title     = {REGULATIONS AND REQUIREMENTS in: Industrial Scale Natural Products Extraction},
  year      = {2011},
  abstract  = {Expert account of industrial process technologies used to recover natural products from plant material, focussing on the engineering aspects of extractions, both up- and down-stream processing and featuring biotransformation, economic aspects and regulations.},
  language  = {en}
}