1. Thermophilic anaerobic digestion of sugars in upflow anaerobic sludge blanket reactors
2. and “High-rate anaerobic waste-water treatment using the UASB reactor under a wide range of temperature conditions,” in Biotechnology and Genetic Engineering Reviews, Vol. 2, Ed. (Intercept, Newcastle upon Tyne, England, 1984), pp. 253-284.
3. Use of the upflow sludge blanket (USB) reactor concept for biological wastewater treatment, especially for anaerobic treatment
4. and “Pelletization of anaerobic sludge in upflow anaerobic sludge bed reactors on sucrose-containing substrates,” in Current Perspective in Microbial Ecology, and Eds. (American Society of Microbiology, Washington, DC. 1984), pp. 636-642.