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- [2] AUSTRALIA - RAW-MATERIAL OVERSUPPLY FOR THE PETROCHEMICAL INDUSTRY KEMISK TIDSKRIFT, 1982, 94 (09): : 44 - &
- [4] PRESENT STATE OF REWORKING AND UTILIZING SECONDARY RAW-MATERIAL ALUMINUM SCRAP NEUE HUTTE, 1977, 22 (12): : 654 - 658
- [5] SCHWABE - PROSPECTS OF RAW-MATERIAL AND ENERGY SUPPLY ZELLSTOFF UND PAPIER, 1976, 25 (04): : 98 - 101