| 000 | 00379nam a2200145Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a633.15.001.4(748) | ||
| 100 | _aJohnson, M.W. | ||
| 245 | _a1984 Pennsylvania corn performance studies | ||
| 260 | _aUniversity Park | ||
| 260 | _c1985 | ||
| 440 | _aNo. 385; Pennsylvania Agricult | ||
| 901 | _pS38250 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c115026 _d115026 |
||