@misc{indiciaed0775cdfb659,
  title = {[Studies on activated sludge. I].},
  author = {S Imamura and Y Ashizawa},
  year = {1966},
  doi = {10.1265/jjh.21.44},
  url = {https://pubmed.ncbi.nlm.nih.gov/6008115/},
  note = {Source identifier: 6008115}
}