| 000 | 00373nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aShaw, R.H. | ||
| 245 | _aGrowing-degree units for corn in the north central region | ||
| 260 | _aAmes | ||
| 260 | _c1975 | ||
| 300 | _a794-808 p. | ||
| 440 | _aIowa Agricultural and Home Eco | ||
| 901 | _pS28674 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c124190 _d124190 |
||