Zheng, Q. ., Na, S. ., Li, X. ., Li, N. ., Hai, R. ., & Wang, X. . (2018). Acute effects of hexavalent chromium on the performance and microbial community of activated sludge in aerobiotic reactors. Environmental Technology, 1-30. https://doi.org/10.1080/09593330.2018.1432695 (Original work published 2018)