| 000 | 00355nam a2200133Ia 4500 | ||
|---|---|---|---|
| 008 | 130225s9999 xx 000 0 und d | ||
| 100 | _aC.P. Hartley | ||
| 245 | _aCrossbreeding corn | ||
| 260 |
_aWashington _bUnited States Department of Agriculture _c1912 |
||
| 300 | _a72p. | ||
| 440 | _aBureau of plant industry, No. | ||
| 901 | _a5622 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c1070 _d1070 |
||