3Van der Kooij, et al, Determining the concentration of easily assimiliable organic carbon in drinking water, Am Water Works Assoc,1982, 74(10) : 540~ 549.
4Philip C S, et al, Assessing ozonation research needs in water treatment, Am Water Works Assoc, 1990, 82( 10):512~520.
5Legube B, et al. Identification of ozonation products of aromatic hydrocarbon micropollatants effect on chlorination and biological filtration. Ozone Science & Engineering, 1981,3 (1): 33~41.
6Solo-Gabriele H M, LeRoy Ager A Jr, Fitzgerald Lindo J. Occurrence of Cryptosporidium oocysts and Giardia cysts in water supphes of San Pedro Sula [ J ]. Honduras Rev Panam Salud Publica, 1998,4 ( 6 ) :398 - 400.
7Bastos R K X, Heller L, Vieira M B M. Giardia sp. cysts and Cryptosporidium spp. oocysts dynamics in southeast Brazil:occurrence in surface water and removal in water treatment processes [ J ]. Water Supply, 2004,4 ( 2 ) : 15 -22.