“ Studies on the Hydrodynamics of Fluidized Layers III. Calculation of Layer Expansion in Systems Fluidized With a Liquid”. Hungarian Journal of Industry and Chemistry 1, no. 4 (May 2, 1973): 493–512. Accessed April 7, 2025. https://hjic.mk.uni-pannon.hu/index.php/hjic/article/view/549.