| 000 | 00395nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aDean, G.W., Heady, E.O. | ||
| 245 | _aChanges in supply functions and supply elasticties in hog production | ||
| 260 | _aAmes | ||
| 260 | _c1959 | ||
| 300 | _a571-592 p. | ||
| 440 | _aIowa Agricultural Experiment S | ||
| 901 | _pS920 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c117638 _d117638 |
||