共 50 条
[41]
IMPLICATIONS OF FOREIGN OWNERSHIP OF UNITED-STATES FARMLAND ON FARMS AND RURAL COMMUNITIES
[J].
PENNSYLVANIA AGRICULTURAL EXPERIMENT STATION BULLETIN,
1981, (832)
:1-30
[48]
FOREIGN-TRADE DEVELOPMENTS - MINERAL POSTURE OF UNITED-STATES
[J].
MINING CONGRESS JOURNAL,
1974, 60 (02)
:116-119
[49]
AGRICULTURAL TRADE AND UNITED-STATES FOREIGN-POLICY - DISCUSSION
[J].
JOURNAL OF FARM ECONOMICS,
1957, 39 (05)
:1116-1119