BIOTECHNOLOGY AND BIOENGINEERING, vol. 83, no. 3, page. 303 - 311, 2003-08-05
JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY, vol. 13, no. 3, page. 385 - 393, 2003-06
WATER RESEARCH, vol. 37, no. 9, page. 2195 - 2205, 2003-05
WATER RESEARCH, vol. 37, no. 2, page. 297 - 306, 2003-01