@techreport{KristofNanningBecker2001,
  type      = {Working Paper},
  author    = {Kristof, Kora and Nanning, Sabine and Becker, Christiane},
  title     = {Tauschringe und Nachhaltigkeit},
  series    = {Wuppertal Papers},
  volume    = {118},
  edition   = {Stand: Januar 2001},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  url       = {https://nbn-resolving.org/urn:nbn:de:bsz:wup4-opus-12693},
  pages     = {44},
  year      = {2001},
  language  = {de}
}