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- [6] U. S. OIL DEMAND RISE DUE IN '85 AFTER REBOUND IN SECOND HALF. Oil and Gas Journal, 1985, 83 (30): : 89 - 96
- [8] Sonoco announces second paperboard price increase in the U.S. and Canada Pulp and Paper Week, 2002, 24 (26): : 8 - 9