2Jason A. Caplan,Jed W. Fahey,Louis T. Mulligan. In-vitro radiometry and microscopy for sensitive measurement of toxicity in activated sludge[J] 1981,European Journal of Applied Microbiology and Biotechnology(2):123~127
10Doerger J U, et al. Toxicity reduction evaluation at a municipal wastewater treatment plant using mutagenicity as an endpoint [J]. Arch Environ Contam Toxicol, 1992,22 : 384 - 388.