WASET
    A. Kistaubayeva and  I. Savitskaya and  D. Ibrayeva and  M. Abdulzhanova and  N. Voronova,  Isolation of Soil Thiobacterii and Determination of Their Bio-Oxidation Activity.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2014, vol. 91(7). 548 - 552
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10003619.