1. Fundamental study on kinetics of substrate removal in an aerobic biofilm;Chen,1986
2. DO limitation on substrate removal in a biofilm;Chen,1987
3. Fundamental study on simultaneous removal of organic substances and nitrogen compounds in a biofilm;Chen,1990
4. Biofilm kinetics;Harremoes,1978
5. Removal of soluble substrate in fixed film;Jansen;Water Sci. Technol.,1984