References
1. Grahn O., Tana J. "Environmental Impact of ECF and TCF Bleaching – A Review of Studies 1980–1998", MFG Environmental Research Group, March 1998.
2. Folke J., Renberg L., McVubbin N., "Environmental Aspects of ECF vs. TCF Bleaching", 2nd International Conference on Environmental Fate and Effects of Bleached Kraft Mill Effluents, Vancouver, Canada, Nov. 6– 10, 1994.
3. Sandström O., Förlin O., Grahn O., Larsson Å., Lindesjöö E., "Assesment of the Environmental Impact of Swedish Pulp and Paper Mill Effluents at the Beginning of the Next Century", 3rd International Conference on Environmental Fate and Effects of Pulp and Paper Mill Effluents, Rotorua, Nov. 9– 13, 1998.
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