| 000 | 00406 a2200133 4500 | ||
|---|---|---|---|
| 100 | 1 | _aHeady, Earl O. | |
| 245 | 1 | _aMarginal productivity of resources and imputation of shares for cash and share rented farms | |
| 260 |
_aAmes _c1955 |
||
| 300 | _a600-612 p. | ||
| 440 | _aIowa Agricultural Experiment Station. Research Bulletin No. 433 | ||
| 650 | _aResources, Farms | ||
| 942 |
_2udc _cB |
||
| 901 | _a48861 | ||
| 999 |
_c55747 _d55747 |
||