共 5 条
[1]
*AGR MARK SERV, 1955, AGR HDB, V91
[2]
DALY RF, 1956, AGR EC RES, V8, P73
[3]
THE LONG-TERM PRICE OUTLOOK AND ITS IMPACT ON AMERICAN AGRICULTURE
[J].
JOURNAL OF FARM ECONOMICS,
1954, 36 (05)
:790-798
[4]
*US BUR CENS, 1955, CURR POP REP POP P25, V123
[5]
*USDA, 1956, AGR INF B, V162