共 50 条
- [2] THE ECONOMICS OF COAL FOR STEAM RAISING INDUSTRY ERDOL & KOHLE ERDGAS PETROCHEMIE, 1985, 38 (09): : 423 - 423
- [3] ECONOMICS OF COAL INDUSTRY EAST OF MISSISSIPPI RIVER AAPG BULLETIN-AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS, 1983, 67 (09): : 1452 - 1453
- [6] THE UNITED-STATES COAL INDUSTRY - THE ECONOMICS OF POLICY CHOICE - ZIMMERMAN,MB ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1982, 461 (MAY): : 205 - 206
- [8] THE UNITED-STATES COAL INDUSTRY - THE ECONOMICS OF POLICY CHANGE - ZIMMERMAN,MB ANNALS OF REGIONAL SCIENCE, 1984, 18 (01): : 145 - 146