@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}
}