@misc{indiciae4245b8747ab6, title = {A comparison among different methods for evaluating the biomass activity in activated sludge systems: preliminary results.}, author = {G Andreottola and L Baldassarre and C Collivignarelli and R Pedrazzani and P Principi and C Sorlini and G Ziglio}, year = {2002}, url = {https://pubmed.ncbi.nlm.nih.gov/12216659/}, note = {Source identifier: 12216659} }