INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, vol. 44, no. 6, page. 1854 - 1859, 2005-03-16
PROCESS BIOCHEMISTRY, vol. 40, no. 3-4, page. 1461 - 1467, 2005-03
WATER SCIENCE AND TECHNOLOGY, vol. 51, no. 6-7, page. 59 - 68, 2005-01