Yunxia Zhang and  Jiti Zhou and  Jianbo Guo and  Xiuhong Zhang and  Lihong Zhao and  Shouzhi Yuan,  Study on Nitrite Accumulation Characteristics and Nitrifying Population Dynamics at Different Growth Environments.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2011, vol. 52(4). 201 - 205
    [viewed 23 January 2020]. Available from: