WASET
    Lanka Dinushke Weerasiri and  Subrat Das and  Daniel Fabijanic and  William Yang,  Numerical Study of Bubbling Fluidized Beds Operating at Sub-atmospheric Conditions.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2019, vol. 154(10). 665 - 669
    [viewed 30 March 2024]. Available from: https://publications.waset.org/pdf/10010817.