共 50 条
- [2] THE UNITED-STATES NICHE IN GLOBAL AGRICULTURAL MARKETS [J]. JOURNAL OF SOIL AND WATER CONSERVATION, 1993, 48 (04): : 307 - 307
- [5] THE VALUE OF AGRICULTURAL LAND IN THE UNITED-STATES - A REPORT ON RESEARCH [J]. AGRICULTURAL ECONOMICS RESEARCH, 1983, 35 (02): : 39 - 44