| 000 | 00441nam a2200157Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a637:338.522(084)(771) | ||
| 100 | _aAndersen, J.C., Heady, E.O. | ||
| 245 | _aNormative supply functions and optimum farm plans for northestern Iowa | ||
| 260 | _aAmes | ||
| 260 | _c1965 | ||
| 300 | _a427-463 p. | ||
| 440 | _aIowa Agricultural and Home Eco | ||
| 901 | _pS10751 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c128460 _d128460 |
||