@proceedings{iclei2020european,
  title = {European Circular Cities Declaration}
  author = {ICLEI – Local Governments for Sustainability – European Secretariat
Leopoldring 3, 79098 Freiburg, Germany
+49 761 368 92-0
info@circularcitiesdeclaration.eu},
  url = {https://hallinta-mikkeli.kunta-api.fi/wp-content/uploads/2020/10/Liite-Kh-European-circular-cities-declaration-3.pdf},
  year = {2020}
}