1. T. Menzel, Die Reynolds-Schubspannung als wesentlicher Parameter zur Modellierung der Strömungsstruktur in Blasensäulen und Airlift-Schlaufenreaktoren, Düsseldorf, VDI-Verl., 1990.
2. Behavior of bubbles of the air-water system in a column under high pressure;Idogawa;Int. Chem. Eng.,1986
3. K. Hori, T. Fujimoto, K. Kawaniski, H. Nishikawa, Advanced High Speed X-ray CT Scanner for Measurements and Visualization of Multiphase Flow, OECD/CSNI Specialist Meeting, Santa Barbara, USA, 1997.
4. Gas-holdup measurements in bubble columns using computed tomography;Kumar;AIChE J.,1997
5. The use of large scale computer assisted tomography for the study of hydrodynamics in trickling filters;Toye;Chem. Eng. Sci.,1994