(2001). Microorganisms in activated sludge and biofilm processes: 3rd IWA International specialised conference (13-15 june 2001, Rome).
Dyfyniad Arddull ChicagoMicroorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.
Dyfyniad MLAMicroorganisms in Activated Sludge and Biofilm Processes: 3rd IWA International Specialised Conference (13-15 June 2001, Rome). 2001.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.