共 50 条
- [1] PRECONDITIONS OF NATURAL-RESOURCE CONSERVATION [J]. AGRICULTURAL HISTORY, 1985, 59 (02) : 124 - 135
- [2] CONSERVATION OF ANOTHER NATURAL-RESOURCE [J]. JOURNAL OF LABORATORY AND CLINICAL MEDICINE, 1976, 88 (01): : 1 - 2
- [6] THE SPATIAL-ORGANIZATION OF NATURAL-RESOURCE USE - ECONOMIC GEOGRAPHIC ASPECTS [J]. SOVIET GEOGRAPHY, 1990, 31 (02): : 71 - 82
- [8] NATURAL-RESOURCE ECONOMICS - CONSERVATION AND EXPLOITATION - NEHER,PA [J]. KYKLOS, 1992, 45 (03) : 436 - 436
- [10] NATURAL-RESOURCE ECONOMICS - CONSERVATION AND EXPLOITATION - NEHER,PA [J]. MANCHESTER SCHOOL OF ECONOMIC AND SOCIAL STUDIES, 1992, 60 (02): : 214 - 215