WATER RESEARCH, vol. 37, no. 9, page. 2195 - 2205, 2003-05
JOURNAL OF MICROBIOLOGY AND BIOTECHNOLOGY, vol. 13, no. 3, page. 385 - 393, 2003-06
WATER SCIENCE AND TECHNOLOGY, vol. 41, no. 12, page. 79 - 84, 2000-01