1. Bubble Column Reactors;Deckwer,1992
2. Reactions of synthesis gas;Wender;Fuel Process. Technol.,1996
3. J. Lehman, J. Hammer, Continuous fermentation in tower fermentor, I European Congress on Biotechnology, Interlaken, Part 1 (1978) 1.
4. G. Diesterwerg, H. Fuhr, P. Reher, Die bayer-turmbiologie, Industrieabwasser 7 (1978).
5. Chemical Reactions for Gas–Liquid Systems;Kastanek,1983