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- [3] RAW-MATERIALS AND THEIR COSTS SVENSK PAPPERSTIDNING-NORDISK CELLULOSA, 1979, 82 (06): : 143 - 144
- [4] INFLUENCE OF DEMAND AND RAW-MATERIALS SUPPLY ON PRODUCTION OF BASIC CHEMICALS ERDOL & KOHLE ERDGAS PETROCHEMIE, 1979, 32 (08): : 399 - 403
- [7] VANADIUM - INVESTIGATIONS ON SUPPLY AND DEMAND OF MINERAL RAW-MATERIALS .1. METALL, 1981, 35 (11): : 1162 - 1164
- [8] VANADIUM - AN INVESTIGATION INTO THE SUPPLY OF AND DEMAND FOR MINERAL RAW-MATERIALS .2. DEMAND (PREDICTION) METALL, 1981, 35 (12): : 1286 - 1287
- [9] SUPPLY OF RAW-MATERIALS AND AGREEMENT ON RAW-MATERIALS - CONSIDERATIONS OF GERMAN RAW-MATERIALS POLICY WITH REGARD TO 3RD WORLD EUROPA ARCHIV, 1975, 30 (14): : 461 - 470