@article{GoebelTeitscheidFriedrichetal.2017,
  author    = {G{\"o}bel, C. and Teitscheid, P. and Friedrich, S. and Langen, N. and Speck, M. and Engelmann, T. and Rohn, H.},
  title     = {Implementing sustainable business models in the hospitality sector with the help of a mission statement},
  doi       = {10.18461/ijfsd.v8i2.827},
  year      = {2017},
  language  = {en}
}
@article{PfeifferSpeckStrassner2017,
  author    = {Pfeiffer, P and Speck, M and Strassner, C},
  title     = {What Leads to Lunch—How Social Practices Impact (Non-)Sustainable Food Consumption/Eating Habits},
  series = {Sustainability},
  volume    = {9},
  journal   = {Sustainability},
  doi       = {10.3390/su9081437},
  pages     = {1437 -- 1437},
  year      = {2017},
  language  = {en}
}