| 000 | 00367nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 100 | _aThomas, W.I. | ||
| 245 | _aPennsylvania commercial hybrid corn tests, 1960 | ||
| 260 | _aPennsylvania | ||
| 260 | _c1961 | ||
| 300 | _a14 p. | ||
| 440 | _aNo. 229; Pennsylvania Agricult | ||
| 901 | _pS3029 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c129280 _d129280 |
||