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- [45] North Central U.S.: paper powerhouse Swann, Charles, 2001, PIMA, Mount Prospect, IL, United States (83):
- [46] U.S. recovered paper prices face pressure on OCC, ONP no. 8 from weaker demand Pulp and Paper Week, 2002, 24 (43): : 5 - 6
- [47] U.S. recovered paper prices rise again, but first fall in 10 months seen in some grades Pulp and Paper Week, 2000, 22 (10):