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- [1] GERMAN NATURAL-GAS MARKET AND INTERNATIONAL SUPPLY .1. SUPPLY MARKET FOR NATURAL-GAS ERDOL & KOHLE ERDGAS PETROCHEMIE, 1978, 31 (01): : 29 - 36
- [2] CONVERSION OF NATURAL-GAS - THE METHANOL ROUTE CHEMICAL ENGINEERING RESEARCH & DESIGN, 1994, 72 (A2): : 201 - 205
- [3] GERMAN NATURAL-GAS MARKET AND INTERNATIONAL SUPPLY CONDITIONS .2. NATURAL-GAS MARKET PRICES ERDOL & KOHLE ERDGAS PETROCHEMIE, 1978, 31 (05): : 233 - 242
- [7] NATURAL-GAS SUPPLIES - CASE FOR FREE MARKET AMERICAN GAS ASSOCIATION MONTHLY, 1974, 56 (12): : 23 - 25