1. American Public Health Association (APHA), 1992. Standard Methods for the Examination of Water and Wastewater, APHA, Washington DC
2. Bae, J.H., Song, K.B., Cho, K.M., 1997. Comparison of operational characteristics of UASB and ABR: Organic removal efficiency and the variations of PH2 and PCO. Proceedings of the Eighth International Conference on Anaerobic Digestion, vol. 1, Sendai, Japan, pp. 164–171
3. The use of the anaerobic baffled reactor (ABR) for wastewater treatment: A review;Barber;Water Res.,1999
4. A modified UASB process treating winery wastewater;Cheng;Water Sci. Technol.,1990
5. Contact angle measurement and cell hydrophobicity of granular sludge from upflow anaerobic sludge bed reactor;Daffonchio;Appl. Environ. Microbiol.,1995