@article{HellerFlamme2017,
  author    = {N. Heller and S. Flamme},
  title     = {Sortenrein trennen},
  journal   = {ReSource, Abfall - Rohstoffe - Energie. Fachzeitschrift f{\"u}r nachhaltiges Wirtschaften.},
  number    = {2/2017},
  pages     = {30 -- 35},
  year      = {2017},
}