@article{rombach2012aluminium,
  title = {Aluminium Recycling - Raw material supply from a volume and quality constraint system}
  author = {Rombach, Georg, and Modaresi, Roja, and Muller, Daniel B.},
  journal = {World of Metallurgy - ERZMETALL},
  url = {https://www.researchgate.net/publication/257984464_Aluminium_Recycling_-_Raw_Material_Supply_from_a_Volume_and_Quality_Constraint_System},
  year = {2012}
}