TY - RPRT TI - Biodegradability simulation studies in semicontinuous activated sludge reactors with low (microgram/L range) and standard (ppm range) chemical concentrations. AU - U T Berg AU - N Nyholm PY - 1996 DO - 10.1016/0045-6535(96)00213-5 UR - https://pubmed.ncbi.nlm.nih.gov/8759308/ ID - 8759308 ER -