共 5 条
[1]
FOOD PRODUCTION STRATEGY AND THE PROTEIN-FEED BALANCE
[J].
JOURNAL OF FARM ECONOMICS,
1951, 33 (02)
:183-191
[2]
DANTZIG GB, 1949, ECONOMETRICA NOV
[3]
FRASER RA, 1947, ELEMENTARY MATRICES, P112
[4]
Koopmans T. C., 1949, ECONOMETRICA, V17, P74
[5]
MORRISON FB, FEEDS FEEDING, P1172