TY  - RPRT
TI  - A comparison among different methods for evaluating the biomass activity in activated sludge systems: preliminary results.
AU  - G Andreottola
AU  - L Baldassarre
AU  - C Collivignarelli
AU  - R Pedrazzani
AU  - P Principi
AU  - C Sorlini
AU  - G Ziglio
PY  - 2002
UR  - https://pubmed.ncbi.nlm.nih.gov/12216659/
ID  - 12216659
ER  -