@misc{FlammeLichtinghagenWirthsWaltheretal.2019,
  author    = {Flamme, Sabine and Lichtinghagen-Wirths, Monika and Walther, Grit and Quicker, Peter},
  title     = {Netzwerk zirkul{\"a}re Wertsch{\"o}pfung :metabolon},
  year      = {2019},
  language  = {de}
}
@article{WalicaWalterFlamme2020,
  author    = {Walica, Wojciech and Walter, Gotthard and Flamme, Sabine},
  title     = {Bauatlas NRW: Analyse regionaler Potenziale f{\"u}r die Kreislauff{\"u}hrung von mineralischen Bauabf{\"a}llen},
  series = {M{\"u}ll und Abfall},
  volume    = {2020},
  journal   = {M{\"u}ll und Abfall},
  number    = {3},
  issn      = {0027-2957},
  pages     = {75 -- 83},
  year      = {2020},
  language  = {de}
}