| 000 | 00389nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aArsdall, R.N.V., Elder, W.A. | ||
| 245 | _aEconomies of size of Illinois cash-grain and hog farms | ||
| 260 | _aIllinois | ||
| 260 | _c1969 | ||
| 300 | _a1-68 p. | ||
| 440 | _aIllinois Agriculture Experimen | ||
| 901 | _pS16361 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c120747 _d120747 |
||