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- [2] ETHYLENE SHORTFALL LIES AHEAD FOR UNITED-STATES [J]. CHEMICAL ENGINEERING, 1986, 93 (14) : 29 - 30
- [4] TIMBER SUPPLY AND DEMAND IN THE UNITED-STATES [J]. GEOGRAPHICAL REVIEW, 1956, 46 (03) : 409 - 411
- [9] PROBLEMS IN THE UNITED-STATES TIMBER INDUSTRY INCREASE [J]. SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1992, 95 (14): : 6 - 6