| 000 | 004310000a22001930004500 | ||
|---|---|---|---|
| 020 | _a0891180435 | ||
| 060 | _a100 | ||
| 082 | _a633.153 SPR | ||
| 100 | _aSprague, G F | ||
| 245 | _aCorn and corn improvement | ||
| 250 | _a2 | ||
| 260 | _aMadison, American Society of agronomy, Inc | ||
| 260 | _c1976 | ||
| 300 | _a774 | ||
| 490 |
_a18 _cAgronomy |
||
| 490 | _aAgronomy | ||
| 650 | _aCorn / corn breeding | ||
| 942 | _cBK | ||
| 999 |
_c362588 _d362588 |
||