共 17 条
[1]
*AM MIN C, COAL MIN MOD YB
[2]
*ASS IR STEEL ENG, 1941, MOD STRIP MILL
[3]
BOHLEN JM, 1955, 15 IOW STAT COLL AGR
[4]
CARTER C, 1957, IND TECHNICAL PROGR, P186
[5]
COLEMAN J, 1957, SOCIOMETRY, V20
[6]
GRILICHES Z, 1957, ECONOMETRICA, V25
[7]
HEALY K, 1954, REGULARIZATION BUSIN
[8]
HILDEBRAND P, 1958, J FARM EC, V40
[9]
Jewkes J., 1958, SOURCES INVENTION
[10]
Mack Ruth, 1941, FLOW BUSINESS FUNDS