共 50 条
- [41] Global Swiss Energy Statistics for 1979. Bulletin de l'Association suisse des electriciens, 1980, 71 (12): : 598 - 642
- [42] HELIUM RESOURCES OF THE UNITED STATES, 1979. Information Circular - United States, Bureau of Mines, 1980, (8831):
- [43] DEVELOPMENTS IN OKLAHOMA AND PANHANDLE OF TEXAS IN 1979. The American Association of Petroleum Geologists bulletin, 1980, 64 (09): : 1387 - 1392
- [46] PETROLEUM DEVELOPMENTS IN NORTH AFRICA IN 1979. The American Association of Petroleum Geologists bulletin, 1980, 64 (11): : 1739 - 1775
- [47] PETROLEUM DEVELOPMENTS IN FAR EAST, 1979. The American Association of Petroleum Geologists bulletin, 1980, 64 (11): : 1880 - 1960
- [48] COOLING AND HEATING LOAD CALCULATION MANUAL, 1979. Exploration and Economics of the Petroleum Industry, 1979,
- [50] INJURY EXPERIENCE IN COAL MINING, 1979. Informational Report - U.S. Department of Labor, Mine Safety and Health Administration, 1980, (1122):