TY - RPRT TI - Sewage treatment by controlled eutrophication: bacterial study. AU - J G Songer AU - R F Smith AU - N M Trieff PY - 1974 DO - 10.1128/am.28.3.359-361.1974 UR - https://pubmed.ncbi.nlm.nih.gov/4608162/ ID - 4608162 ER -