@techreport{brundtland1987report,
  title = {Report of the World Commission on Environment and Development: Our Common Future}
  author = {Brundtland, Gro Harlem},
  url = {https://www.are.admin.ch/dam/are/en/dokumente/nachhaltige_entwicklung/dokumente/bericht/our_common_futurebrundtlandreport1987.pdf.download.pdf/our_common_futurebrundtlandreport1987.pdf},
  year = {1987}
}