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- [3] Dewatering Systems for Sludges of the Pulp and Paper Industry eine Herausforderung Papier, 51 (6-A):
- [5] Separation Technology - Material Recycling in the Paper Industry eine Herausforderung Papier, 51 (6-A):
- [6] The Paper Industry - A Classic Example for Sustainable Development eine Herausforderung Papier, 6-A (V16):
- [7] Papermaking in View of an Optimized Waste and Water Management eine Herausforderung Papier, 51 (6-A):