Environmental Engineering and Activated Sludge Processes: Models, Methodologies,

Microorganisms in Activated Sludge and Biofilm Processes

Microorganisms in Activated Sludge and Biofilm Processes II

Environmental Engineering and Activated Sludge Processes: Models,

Sanchez - Environmental Engineering and Activated Sludge Processes Mo - X555z

The Activated Sludge Process: Methods and Recent Developments by Benjamin Lefebv