2A. Wong, S. Prahacs, etal. Toxicity,BOD and color of effluents from novel bleaching processes. Pulp and paper Canada, 1978, 179(7).
3C.M. Couillard, R.A. Berman, J.C.Panisset. Histopathology of rainbow trout exposed to a bleached kraft pulp mill effluent. Environ.Contam. Zoxiclo, 1988, 17:39-323.
4Tommy andersson, Benot-erik,Bengtsson, etal. Long-term effects of bleached kraft mill effluents on carbohydrate metabolism and hepatic xenobiotic biotransformation enzymes in fish.Ecotoxicology and environmental safety. 1987,13:53-60.
5U.S. EPA. The national dioxin study.Tiers. Washington DC, 1987.
6Rappe C, Andresson R, Bagquist P-a etal. Overview of environmental fate of chlorinated dioxins and dibenzofurans.Chemosphere, 1987, 16:1 603.
7Zheng Minghui, etal. Levels of PCDDs and PCDFs in the bleached pulp from chinese pulp and paper industry. Bull. Environ. Contam,Toxicol, 1997, 59:90.
8Sarkanen KV., Goyal G. Review of potential chemical processes resulting in the formation of polychlorinated dioxins and dibenzofurans in the bleaching of chemical pulp. Proceedings of TAPPI international pulp bleaching conference. Orlando,Fla, USA, 1988.
9Marwah NM, Rajan PS, Toyce TW etal. Chemistry and kinetics of formation of chloro-organics in chlorine bleaching of softwood kraft pulp. Preprints of the international pulp bleaching conference, Stockholm, Sweden, 1991.
10Hurtfiord BF, Negri AR. Dioxin sources and mechanisms during pulp bleaching. Chemosphere, 1992,25:53.