Ayuko Itsuki and  Sachiyo Aburatani,  Numbers and Biomass of Bacteria and Fungi Obtained by the Direct Microscopic Count Method.   journal   = {International Journal of Biotechnology and Bioengineering}, [online]. World Academy of Science, Engineering and Technology.
    December 2012, vol. 72(12). 1051 - 1055
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9281.