@misc{OPUS4-8238,
  title     = {Ten Countries, One Goal: A Plastic-Free Danube},
  series    = {Kunststoffe international},
  number    = {19.05.2022},
  url       = {https://en.kunststoffe.de/a/article-2437100},
  year      = {2022},
  language  = {en}
}