1. The rising velocity of bubbles in two-dimensional fluidised beds;Pyle;Chem. Eng. Sci.,1967
2. The influence of the gas distributor on bed expansion, bubble size and bubble frequency in fluidised beds;Geldart,1968
3. An X-ray study of bubbles in fluidised beds;Rowe;Trans. Inst. Chem. Engrs.,1965
4. Behaviour of bubbles in the gas-solid fluidised bed;Toei;Kagaku Kogaku,1966
5. Density fluctuations in fluidised beds;Baumgarten;Am. Inst. Chem. Engrs. J.,1960