WASET
    P. Ninduangdee and  V. I. Kuprianov,  Fluidized-Bed Combustion of Biomass with Elevated Alkali Content: A Comparative Study between Two Alternative Bed Materials.   journal   = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2014, vol. 88(4). 298 - 305
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/9998016.