| 000 | 00427nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aTweeten, Luther G., Heady, Early O. | ||
| 245 | _aShort-run corn supply and fertilizer demand functions based on production functi | ||
| 260 | _aAmes | ||
| 260 | _c1962 | ||
| 300 | _a573-608 p. | ||
| 440 | _aNo. 507; Iowa Agricultural Experiment | ||
| 901 | _pS6740 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c133267 _d133267 |
||