N. Aliasgharzad and  A. Molaei and  S. Oustan,  Pollution Induced Community Tolerance(PICT) of Microorganisms in Soil Incubated with Different Levels of PB.   journal   = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2011, vol. 60(12). 838 - 842
    [viewed 17 April 2024]. Available from: https://publications.waset.org/pdf/4433.