共 50 条
- [1] ACTIVITIES OF THE GERMAN PETROLEUM AND NATURAL-GAS DRILLING AND EXTRACTION INDUSTRIES, 1987 [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1988, 41 (05): : 186 - 188
- [2] GERMAN PETROLEUM AND NATURAL-GAS INDUSTRY IN THE YEAR 1992 [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1993, 46 (05): : 171 - 172
- [3] GERMAN PETROLEUM AND NATURAL-GAS INDUSTRY IN THE YEAR 1991 [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1992, 45 (05): : 185 - 187
- [4] GERMAN PETROLEUM AND NATURAL-GAS TRANSPORTATION INDUSTRY IN 1993 [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1994, 47 (05): : 165 - 166
- [5] ACTIVITIES IN THE GERMAN PETROLEUM AND NATURAL-GAS PRODUCING INDUSTRIES, 1986 [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1987, 40 (04): : 148 - 150
- [6] GERMAN PETROLEUM AND NATURAL-GAS DRILLING INDUSTRY OPERATING UNDER DIFFICULT CIRCUMSTANCE [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1995, 48 (4-5): : 166 - 166
- [7] ACTIVITIES OF THE GERMAN MINERAL-OIL AND NATURAL-GAS INDUSTRY IN 1983 [J]. ERDOL & KOHLE ERDGAS PETROCHEMIE, 1984, 37 (04): : 181 - 182