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- [6] A DATA-BASE FOUNDED METHOD PROVING REFINING STRATEGIES OF RAW-MATERIALS BY INPUT-OUTPUT-CALCULATIONS CHEMISCHE TECHNIK, 1983, 35 (08): : 388 - 392
- [7] MONOPOLY POWER AND THE RECYCLING OF RAW-MATERIALS JOURNAL OF INDUSTRIAL ECONOMICS, 1982, 30 (04): : 405 - 419
- [8] RECYCLING OF RAW-MATERIALS - THE PROCESS TECHNOLOGY KUNSTSTOFFE-PLAST EUROPE, 1994, 84 (02): : 109 - 112
- [9] PAPER FOR RECYCLING AS A RAW-MATERIALS RESOURCE SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1990, 93 (18): : 5 - 5