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- [3] THE PROBLEM OF PRICES OF SECONDARY RAW-MATERIALS POLITICKA EKONOMIE, 1984, 32 (11) : 1147 - 1158
- [4] PRICES OF RAW-MATERIALS MUST GO DOWN SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1978, 81 (14): : 448 - 448
- [7] RAW-MATERIALS FOR INDUSTRIAL AND HOUSEHOLD PRODUCTS MANUFACTURING CHEMIST, 1987, 58 (03): : 61 - 62
- [9] PROPOSAL - LINKING INTERNATIONAL MONEY AND PRICES OF RAW-MATERIALS ATLANTIC PAPERS, 1976, (04): : 34 - 38
- [10] RECYCLING OF RAW-MATERIALS - THE PROCESS TECHNOLOGY KUNSTSTOFFE-PLAST EUROPE, 1994, 84 (02): : 109 - 112