| 000 | 00382nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aAli, M.B., Johnson, R.G. | ||
| 245 | _aEconomics of summer fallow wheat systems in North Dakota | ||
| 260 | _aFargo | ||
| 260 | _c1981 | ||
| 300 | _a36 p. | ||
| 440 | _aNo. 511; Dakota N, Agricultura | ||
| 901 | _pS34675 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c120730 _d120730 |
||