Show 10 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Ratkovich, N" or (type exact bookEditor and editor="Ratkovich, N") Add to list Journal Article A1 Activated sludge rheology: a critical review on data collection and modelling N Ratkovich, W Horn, FP Helmus, S Rosenberger, Wouter Naessens, Ingmar Nopens (UGent) and TR Bentzen (2013) WATER RESEARCH. 47(2). p.463-482