@article{KuefferSchneiderWiesmann2019,
  author    = {Christoph K{\"u}ffer and Flurina Schneider and Urs Wiesmann},
  title     = {Addressing sustainability challenges with a broader concept of systems, target, and transformation knowledge : systems, targets and transformations are guiding metaphors of environmental and sustainability research. Is the framing of these concepts still adequate to address today's wicked sustainability challenges?},
  journal   = {Gaia},
  volume    = {28},
  number    = {4},
  pages     = {386 -- 388},
  doi       = {10.14512/gaia.28.4.12},
  year      = {2019},
}