Show 15 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 exact 6EB16612-B25E-11E6-B104-2D2FD0AF0289 or (type any "bookEditor issueEditor" and edito... cql: keyword exact "balance" Add to list Journal Article A1 An improved nitrifying enrichment to remove ammonium and nitrite from freshwater aquaria systems Roeland Grommen, Inge Van Hauteghem, M Van Wambeke and Willy Verstraete (UGent) (2002) AQUACULTURE. 211(1-4). p.115-124