Hu J Y, Ong S L, Ng W J, He B P, Liu W J, Fang Z D, Zhang X H, Wang Z S
Center for Water Research, Civil Engineering Department, The National University of Singapore, 10 Kent Ridge Crescent, Singapore 119260.
Bull Environ Contam Toxicol. 2003 Jul;71(1):204-11. doi: 10.1007/s00128-003-0150-x.