TY  - RPRT
TI  - [Studies on activated sludge. I].
AU  - S Imamura
AU  - Y Ashizawa
PY  - 1966
DO  - 10.1265/jjh.21.44
UR  - https://pubmed.ncbi.nlm.nih.gov/6008115/
ID  - 6008115
ER  -